the coefficient of static friction between teflon and scram- bled eggs is about 0.04. what is the smallest angle from the hori- zontal that will cause the eggs to slide across the bottom of a teflon-coated skillet?

Under the effect of the planet's acceleration from gravity, a stone put on Venus will fall 35.48 m in 2 seconds.

The following formula can be used to determine the distance that an object falls while being pulled by gravity:

d = 1/2 * g * t^2

where g is the gravitational acceleration, t is the passing of time, and d is the distance fallen. On Venus, the acceleration brought on by gravity is equivalent to 8.87 m/s2.

The distance fell at t = 2 seconds would be as follows:

d = 1/2 * 8.87 m/s * (2 s), which is 1/2 * 8.87 m/s * (4 s), or 8.87 * 4 = 35.48 m.

The stone will therefore travel 35.48 metres on Venus in 2 seconds.Acceleration is the rate at which an object's velocity changes over time. It has metres per second squared (m/s2) as its SI unit of measurement and is a vector quantity. Different things, such forces acting on an item or modifications in the speed or direction of motion, can lead to acceleration.

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Answer:

The resistance that would produce a current of 400 amperes from a socket putting out 2,000 volts is 5 ohms, calculated using the formula R = V/I, where V = 2,000 volts and I = 400 amperes.

Explanation:

So, a resistance of 5 ohm would result in a current of 400 amps from a 2,000 volt plug.

The opposition that a substance provides to the flow of electric current is referred to as resistance. The capital letter R represents it. The ohm is the standard unit of resistance, which is often written as a word and occasionally represented by the capital Greek letter omega. Resistance is a measure of an electrical circuit's resistance to current flow. Resistance is measured in ohms, which is represented by the Greek letter omega (ohm). A conductor's resistance is defined as the ratio of potential difference across its end to current flowing through it. It is measured in ohms (omega).

Here,

The resistance can be calculated using Ohm's law: R = V / I, where V is voltage, I is current, and R is resistance.

R = 2000V / 400A = 5Ω

So, a resistance of 5Ω would produce a current of 400 amperes from a socket putting out 2,000 volts.

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The required wavelength of the wave when energy of the wave is specified is calculated to be 2.6 × 10⁻⁹ m.

The energy of the wave is given as 7.65 × 10⁻¹⁷ J.

The relation between energy, wavelength, speed of light is known as,

E = h c /λ

where,

h is planck's constant

c is speed of light

λ is wavelength

E is energy

The value of speed of light c = 3 × 10⁸ m/s

The value of Planck's constant h = 6.62 × 10⁻³⁴ m²kg/s

Putting all the known values into the above equation by making wavelength as subject, we have,

E = h c /λ

λ = h c /E = (6.62 × 10⁻³⁴)(3 × 10⁸)/(7.65 × 10⁻¹⁷) = 2.6 × 10⁻⁹ m

Thus, the wavelength is calculated to be 2.6 × 10⁻⁹ m.

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a) The ball so misses the crossbar by 8.63m. b) The ball clears the goal on its way down  since the time when the ball reaches its highest point is earlier than when it will arrive at the goal.

An object's projection onto a plane is that object's orthogonal projection. A vector's projection on an orthogonal straight line to a plane is what causes it to be rejected from that plane. Each one is a vector. Whereas the second is orthogonal, the first is parallel to the plane.

From the vector's origin to its farthest x-coordinate, the horizontal component runs. The vector's greatest vertical point is where the vertical component starts at the x-axis and terminates.

a) First we have to find the time at which the ball reaches the goal using the particle under constant velocity model in the x direction:

[tex]X_f=X_i+V_{xi}t[/tex]

[tex]t=\frac{X_f-X_i}{V_{xi} }[/tex]

[tex]t=\frac{(26-0)}{20 Cos53}[/tex]

[tex]t=2.16sec[/tex]

Now we also find the height of the ball at this moment using the model of a particle moving at constant speed in the y direction.

[tex]Y_f=Y_i+V_{yi}t+\frac{1}{2}a_yt^2[/tex]

[tex]Y_f=[0+20*(sin53)*2.16]-[\frac{1}{2}*9.80*(2.16)^2][/tex]

[tex]Y_f=11.63m[/tex]

The ball so misses the crossbar by

[tex]11.63-3.00=8.63m[/tex]

b) As the ball reaches its greatest point in its flight, use the particle under constant acceleration model to calculate the time.

[tex]V_{yf}= V_{yi}-gt[/tex]

[tex]t=\frac{V_{yf}-V_{yi}}{g}[/tex]

[tex]t=\frac{(20*sin53)-0}{9.80}[/tex]

[tex]t=1.63 sec[/tex]

The ball clears the goal on the way down since this is earlier than when it will arrive at the goal.

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At 40 volts voltage a 3 μF capacitor will store the same amount of energy as four 3 μF capacitor do, when each charges to 20 volts.

Capacitance of the capacitor, C = 3 μF = 3 × 10⁻⁶ F

Voltage of four capacitors, V₂ = 20 volts

Let the voltage of the first capacitor, = V₁

We know the energy stored by the capacitor is formulated as, E = 0.5 CV²

0.5 CV₁² = 4 × 0.5 CV₂²

V₁² = 4 V₂²

V₁² = 4 × 20²

V₁² = 1600

V₁ = √1600

V₁ = 40 volts

--The given question is incomplete, the complete question is:

"what is the voltage at which one 3 μF capacitor stores the same amount of energy as four 3 μF capacitors, each charged 20 to volts?"--

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Answer:

D. Karate class

D or Karate Class

Karate Class is the best way to learn discipline because you need focus to participate and need to know your surroundings which is part of discipline.

The momentum of the system after collison is  1.25 Km/hr.

Momentum is a measure of an object's motion, defined as the product of its mass and velocity. In physics, it represents the tendency of an object to remain in motion or to change its motion, as a result of an external force.

We know that;

Momentum before collision = Momentum after collision

(3000 * 5) - (1000 * 10) = (3000 + 1000) v

v is the common velocity after collision

v = 15000 - 10000 = 4000v

v = 5000/4000

v = 1.25 Km/hr

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Missing parts;

A 3000 kg truck moving rightward with a speed of 5 km/h collides head on with a 1000 kg car moving leftward with a speed of 10 km/h. The two vehicles strike together after the collision. Determine the post-collision velocity of the car and truck.​

A: the amplitude is 3.18 cm ; B: the initial velocity is -9.55 cm/s ; C the maximum acceleration is -19.7 cm/s^2;  and D: the phase angle is 0.201 rad.

a. The amplitude (A) of a simple harmonic oscillator is related to the maximum displacement from the equilibrium position. Given the maximum velocity (Vmax) and the frequency (f), the amplitude can be found using the formula:

A = (Vmax) / (2πf)

f = 1/T, where T is the period of oscillation

So, f = 1/2 s

A = (10 cm/s) / (2π * (1/2 s)) = 10 / π cm

A = 3.18 cm

b. The initial velocity (V0) of a simple harmonic oscillator can be found using the equation:

V0 = -Aωcos(θ), where ω is the angular frequency and θ is the phase angle

Since the mass was released with an initial displacement of 2 cm, θ can be found using the equation:

θ = arcsin(x0/A), where x0 is the initial displacement

x0 = 2 cm

θ = arcsin(2 cm / 3.18 cm) = 0.201 rad

V0 = -Aωcos(θ) = -(3.18 cm) (2π / 2 s) cos(0.201 rad)

V0 = -9.55 cm/s

c. The maximum acceleration (Amax) of a simple harmonic oscillator can be found using the equation:

Amax = -Aω^2 = -(2πf)^2 A

Amax = -(2π / 2 s)^2 (3.18 cm) = -19.7 cm/s^2

d. The phase angle (θ) of a simple harmonic oscillator can be found using the equation:

θ = arcsin(x0/A) = arcsin(2 cm / 3.18 cm) = 0.201 rad

The phase angle represents the phase difference between the position and velocity of the mass.

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A "cycle" is one full rotation of a conductor loop through a magnetic field. Alternating current (AC) is produced in the conductor by this cycle. The frequency of an AC wave is measured in cycles per second.

What is magnetic field?
A magnetic item is surrounded by a magnetic field, which acts as a force field on other magnetic things nearby. It is distinguished by lines of force that extend from the magnet's north pole to its south pole. Charged particles in motion and current-carrying conductors may both produce magnetic fields.

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A "cycle" is one full rotation of a conductor loop through a magnetic field. Alternating current (AC) is produced in the conductor by this cycle. The frequency of an AC wave is measured in cycles per second.

magnetic field A magnetic item is surrounded by a magnetic field, which acts as a force field on other magnetic things nearby. "cycle" is one full rotation of a conductor loop through a magnetic field. Alternating current (AC) is produced in the conductor by this cycle. The frequency of an AC wave is measured in cycles per second. It is distinguished by lines of force that extend from the magnet's north pole to its south pole. Charged particles in motion and current-carrying conductors may both produce magnetic fields.

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The speed and acceleration of the bug at the edge are v=0.53 m/s and a=1.82 m/s2 and the speed and acceleration at the center are v' = 0.27 m/s and a' = 0.91 m/s2.

The bugs speed;

v=rω

=12/2 x 24x4/1000 x33x2 pi /60

v=0.53 m/s

(1) 1′′=25.41′′=25.4 mm

(2) convert angular velocity ω from rev per minute to rad/s

The bugs acceleration;

a=v^2/r

=0.277/(12⋅25.4/2⋅1000)

a=1.82 m/s2

The bugs speed and acceleration at a radius;

r′=r/2

v' = r'w = rw/2 = v/2

  = 0.53 /2

v' = 0.27 m/s

a' = v'^2 /r = 2v'^2 / r = v^2 /2r

   = a/2

a' = 0.91 m/s2

Both speed and acceleration reduce by a factor of 2.

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The magnitude of the change in momentum is 0.346 kg m/s.

Magnitude is defined as the maximum extent of size and the direction of an object.

We can calculated the magnitude of the change in momentum by using this formal:

Δp = m * Δv

where Δp is the change in momentum

M is the mass

Δv is the change in velocity.

The initial velocity is 9 m/s directed downward and the final velocity is 8 m/s directed 60 degrees below the horizontal.

The change in velocity can be found using vector subtraction:

Δv = v_f - v_i = 8 m/s directed 60 degrees below the horizontal - 9 m/s directed downward

Calculating the magnitude of Δv:

Δv = sqrt(8^2 + 9^2 - 2 * 8 * 9 * cos(60))

Δv ≈ 1.73 m/s

Finally, calculating the change in momentum:

Δp = m * Δv = 0.2 kg * 1.73 m/s = 0.346 kg m/s

The magnitude of the change in momentum is 0.346 kg m/s.

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The work  was done to move the block  across the floor  is 400 Joule.

The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

A spring balance can be used to calculate the Force. The Newton is the SI unit of force.

Force applied on the block: F = 40 N.

Displacement of the box = 10 m.

Hence, work  done to move the block = Force × Displacement

= 40 × 10 joule

= 400 joule.

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The given statement that the potential energy of a bob of simple pendulum will be maximum when it is straight down during a cycle, is false. Potential energy is minimum when bob of the pendulum is straight down.

Potential energy is the energy which is possessed by the object due to position relative to other object. Gravitational potential energy of an object is due to its position with respect to the ground. It is formulated as p = mgh.

Kinetic energy is the energy which is possessed by the object due to the virtue of its motion. It is formulated as: K = 0.5mv²

So when the bob of a simple pendulum is straight down during a cycle, its having the maximum velocity. Thus the kinetic energy will be maximum and not the potential energy. Hence the given statement is false.

--The given question is incomplete, the complete question is:

"Is it true or false that when the bob of a simple pendulum is straight down during a cycle, the potential energy will be at maximum since its mass is traveling at a maximum velocity."--

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Under none of the circumstances is the total magnetic flux through a closed surface positive.

Total magnetic surface through a closed surface will always be zero, according to Gauss's law.

Magnetic field lines form closed loops because there is no magnetic monopole.

Therefore, the quantity of field lines entering through the closed surface equals the quantity of field lines leaving. Magnetic flux that is linked to a closed surface is therefore always zero. If there is no source of the vector field in the volume encircled by the surface, the flux of a vector field through a closed surface is always zero.

Using Gauss's law, the electric field's flux through a closed surface is equal to.

Therefore, the flux may be zero if the electric field is zero everywhere.

Charge inside the sealed surface must be zero in order for flux to be zero.

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Both bodies must be charged in order to repel each other, but they do not both have to be charged to attract each other.

The attractive force between two bodies is due to the electromagnetic force, which acts between charged particles. So, if one of the bodies is charged, it will experience an attractive force toward a neutral body. However, if both bodies are charged with the same type of charge (i.e., both positive or both negative), they will experience a repulsive force.

If two bodies repel each other, it means that they are both charged with the same type of charge (i.e., both positive or both negative). This is because like charges repel each other and opposite charges attract. So, in order for two bodies to repel each other, they must both be charged.

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All the planets in the solar system orbit the sun in approximately the same plane.

Planetary orbits in a far-off solar system are in line with the rotation of the star. The orbits of all known planets in this distant solar system nearly all lay in the same plane and are in line with the rotation of the star. This solar system is quite similar to our own.

Because the planets formed from a disc of material that enveloped the Sun during the Solar System's formation, their orbits are coplanar. All of the planets originated in a plane because that disc of dust was a disc, all in one. Rings and disks are common in astronomy.

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The velocity is 0.1 m/s, west. This is an inelastic collision.

The velocity of the 0.2 kg ball after the collision is 0.1 m/s, west. This is an inelastic collision, meaning that some energy is lost in the form of heat, sound or other forms of internal energy. You can determine this because the velocities of both balls have changed, and the final kinetic energy is different from the initial kinetic energy. A collision is an event in which two or more objects come into contact and interact with each other for a short period of time. During a collision, the objects exchange momentum and energy, causing changes in their velocity, direction, or other physical properties. Collisions can be classified into two types: elastic and inelastic. In an elastic collision, the total kinetic energy of the system is conserved, while in an inelastic collision, some of the kinetic energy is converted into other forms of energy such as heat or sound. The type of collision is determined by the relative magnitudes of the initial and final kinetic energies of the system.

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Charged means that an object has an unequal number of protons and electrons, thus giving it an electrical charge. Neutral means that the object has an equal number of protons and electrons, thus giving it no electrical charge.

When something is "charged," it signifies that electrical energy has accumulated inside it and that it is prepared to be put to use. This can apply to a person who is enthusiastic and full of energy, or it can refer to an electrical component like a battery or capacitor. On the other side, if something is "neutral," it indicates that it is not charged with any electricity or energy and cannot be utilised for any purpose. This may be used to describe an electrical instrument that is devoid of charge or has been discharged as well as a person who is disinterested or indifferent in a certain scenario.

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A strontium ion has four shells in this ion, so the number of electrons it have in is  36 electrons 29.

The chemical element strontium is a soft, silver-white, yellowish metallic element that is an alkaline earth metal and has a strong reactivity to chemicals. The most prevalent type of strontium found in dietary supplements is strontium chloride. Several distinct forms of strontium are employed in medicine.

Subatomic particles known as electrons have an intrinsic charge of magnitude -1. The size of an electron's charge is comparable to that of a proton, but its symbol is the opposite. The amount of electrons and protons in electrically neutral atoms and molecules should therefore be equivalent.

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The equation of gravitational energy is E = [tex]\frac{GMm}{R}[/tex] and it is dimensionally correct.

The minimal set of coordinates required to specify any point within a mathematical space is the dimension of that space. As a result, a line has a dimension of one since a point on it may be specified by a single coordinate, such as the point at 5 on a number line.

A unit of measurement is a specific magnitude of a quantity that has been established and recognized by law or convention and is used as a benchmark for measuring other quantities of the same sort. A multiple of the unit of measurement can be used to express any other quantity of that type. A length is an example of a physical quantity.

The formula for Gravitational Energy is

E = [tex]\frac{GMm}{R}[/tex]

unit of G = N m² kg⁻²

unit of M and m = kg

unit of R = m

Unit of Gravitational Energy = N. m

[tex]\frac{GMm}{R}[/tex] = [tex]\frac{Nm\x^{2}*kg\x^{-2} * kg * kg }{m} = N. m[/tex]

The equation of gravitational energy is E = [tex]\frac{GMm}{R}[/tex] and it is dimensionally correct.

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They actually don't become parallel at the end of the video.

Only a very small portion of the Sun's radiation reaches Earth and the Moon.

Because the distance between the Sun and the Moon's orbit is so small in comparison, all of the rays that reach the orbit basically come from the same direction.

The video is not accurate; Instead of being parallel, the Sun's rays actually converge on the Moon from all directions.

As they move away from the Sun, rays that started out going in different directions from the Sun turn toward Earth.

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The incandescent light bulb emits thermal radiation in the form of visible light, which has a refractive index close to 1, as air does.

The incandescent light bulb produces thermal radiation, which is a type of electromagnetic radiation that is produced by the heat of an object. When the filament in an incandescent light bulb is heated by an electric current, it emits light due to the heat energy being converted into electromagnetic radiation. The refractive index of a material is a measure of how much a wave of light slows down when it passes through the material. It is defined as the ratio of the speed of light in a vacuum to the speed of light in the material. The refractive index of air is close to 1, which means that light travels at close to its maximum speed in air. The refractive index of glass is between 1 and 2, meaning that light travels slower in glass than it does in a vacuum or air. The refractive index of the solution is between 1 and 1.5, meaning that light travels slower in the solution than it does in air, but faster than it does in glass. Based on the given refractive indices of air, glass, and the solution, it can be concluded that the incandescent light bulb emits thermal radiation in the form of visible light, which has a refractive index close to 1, as air does. This is why light from the incandescent bulb travels at close to its maximum speed through air.

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The ratio of the electric force on the proton (Ff/Fi) after the segment is shrunk to the force before the segment was shrunk is determined by the geometry of the wire.

When the segment is shrunk, the electric force on the proton decreases, as the proton is further from the wire. The ratio of the electric force on the proton after the wire is shrunk to the force before the wire was shrunk is given by the equation Ff/Fi = (l1/l2)^2, where l1 is the length of the wire before shrinking and l2 is the length of the wire after shrinking.

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The energy stored in the plates of the capacitor is 11.05 Joules.

The area between the plates of the capacitor is 1m² and the distance between the plates is 2mm(0.002m).

The capacitance will be given by,

C = KεA/d

Where,

K is the inserted dielectric constant,

ε is the permitivitty,

A is the area,

d is the distance of the plates.

Putting values,

C = 8.85 x 5.6 x 1/0.002

C = 24.780 nF.

Formula for energy stored in capacitor,

E = 1/2CV²

V is the potential difference,

Putting values,

E = 0.5 x 24.78 x 6000 x 6000 x 10⁻⁹⁹

E = 11.05 Joules.

So, the energy stored in the capacitors is 11.05 Joules.

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The equivalent resistance of two identical resistors connected in series is equal to the sum of their individual resistances. Therefore, in this case, the equivalent resistance of two resistors with resistance "r" each, connected in series, will be 2 x r ohms.

Resistance is a property of an electrical circuit that resists the flow of electric current. It is a measure of the opposition to the flow of current, and is expressed in units of ohms (Ω). The greater the resistance in a circuit, the less current will flow through it, and the greater the voltage required to maintain a given current. Resistance is an important factor in the design and operation of electrical and electronic systems, and plays a role in determining the efficiency, safety, and performance of these systems.

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Angle between two vectors:

Two vectors can be used to determine the angle between them by using the dot product formula. The dot product is the product of the magnitudes of the two vectors and the cosine of the angle between them. If we have two vectors, ⃗ and −⃗, the dot product of these two vectors can be determined as follows:

⃗ ⋅ −⃗ = |⃗||−⃗| cos θ

where θ is the angle between the two vectors.

To find the angle between two vectors, we can use the arccosine function, which is the inverse of the cosine function. The arccosine function returns the angle, in radians, whose cosine is a given value. Hence, to find the angle between two vectors, we can use the following formula:

θ = arccos (⃗ ⋅ −⃗ / |⃗||−⃗|)

Note that the dot product can only give us the cosine of the angle between two vectors, so we have to use the arccosine function to find the actual angle. The result will be in radians, but it can easily be converted to degrees if necessary.

In summary, to find the angle between two vectors, we first find the dot product of the two vectors, then divide that result by the product of the magnitudes of the two vectors. Finally, we find the arccosine of that result to obtain the angle between the two vectors.

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This statement does not make sense, because Jupiter, like all the planets, is always found very close to the ecliptic in the sky.

Can jupiter is big dipper?

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The magnitude of the gravitational force on the planet due to the star is mv²/r, if the mass of the planet is m, velocity v, and orbital radius is r.

When a planet orbits around a star the gravitational force between them, which is an attraction force, is balanced by the centrifugal force exerted on the planet due to its circular motion.

We can say that the magnitude of the centrifugal force is equal to the gravitational force. However the direction of the force will be opposite to each other.

gravitational force = centrifugal force = mv²/r

So the gravitational force in terms of m, v and r will be mv²/r.

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The average power which is dissipated by a 100 ohm resistor when connected to an AC source with a peak value of 141 g is 19.86 W.

What do you mean by resistor?

A resistor is an electrical component that is used to control the flow of electric current in a circuit. It is used to limit the amount of current that can pass through a circuit, to reduce the voltage in a circuit, and to create a desired amount of resistance to the flow of electric current. Resistors are typically made of metal, carbon, or other materials that allow electrons to flow through them at a certain resistance. They can be used in a variety of applications such as amplifiers, oscillators, and power supplies.

This can be calculated using the following formula:

P = V²/R

Where P is the power, V is the voltage, and R is the resistance.

V = 141 g

R = 100 ohms

P = (141 g)²/100 = 19.86 W

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The vertical motion as position of mass "a" at t = 0.35 seconds is 0.8047 millimeters, when the relation is  x = cos(10t) – 0.1sin(10t).

At t = 0.35 seconds, the vertical motion of mass "a" can be calculated as follows:

= x

= cos(10t) – 0.1sin(10t)

= cos(10 x 0.35) – 0.1sin(10 x 0.35)

= 0.8396 - 0.0349

= 0.8047 mm

So the vertical position of mass "a" at t = 0.35 seconds is 0.8047 millimeters.

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