What are the differences and similarities between strong nuclear forces and electric force???

Answer:

Explanation:

constant speed is where the speed is the same throughout and instantaneous speed is speed given at any moment and average speed is a total distance traveled divided by the amount of time it took to travel it.

Answer:

Average speed is a measurement of velocity over a period of time.

Constant speed refers to your velocity at any point in time or period

Answer:

Power is associated by many people with electricity. Knowing that power is the rate of energy use or energy conversion, what is the expression for electric power? Power transmission lines might come to mind. We also think of lightbulbs in terms of their power ratings in watts. Let us compare a 25-W bulb with a 60-W bulb. (See Figure 1(a).) Since both operate on the same voltage, the 60-W bulb must draw more current to have a greater power rating. Thus the 60-W bulb’s resistance must be lower than that of a 25-W bulb. If we increase voltage, we also increase power. For example, when a 25-W bulb that is designed to operate on 120 V is connected to 240 V, it briefly glows very brightly and then burns out. Precisely how are voltage, current, and resistance related to electric power?

Explanation:

Answer:

The positive velocity occurs the instant the coin leaves our hand. It immediately begins slowing up until its upward velocity becomes zero at the maximum height.

Explanation:

hope helps ohjieun and jannatparia

Answer:

Insulation helps to prevent that transfer of heat.

Explanation:

[tex]\text{Velocity is defined by the average displacement per unit time. In the time interval }t=8\text{s to }t=12\text{s,}[/tex]

[tex]\text{the velocity, or equivalently the slope of the graph is }\frac{(-4)-(-4)}{12-8}=0[/tex]

[tex]\text{Therefore, the velocity at }t=10\text{s is }0[/tex]

Answer:

0 m/s

Explanation:

The object from 8s to 12s stays at -4m, meaning that it doesn't move in that interval and therefore has zero velocity. Hope this helps!

Answer:

3.03

Explanation:

time=distance/speed

1km=1000m

1000÷330

=3.030

Answer:

we know that 1 kg = 1000g

therefore ;

1g = 1/1000 kg

723g = 723/1000

= 0.723kg is answer

Answer:

when heavy atoms split the loss of mass is converted into kinetic energy

Explanation:

We have that since [tex]F_1[/tex] is moving to the right and its greater

The direction of Net force is  50m/s to the Right

Option A is correct

From the Question we are told that

Force 1 [tex]F_1=100[/tex]

Force 2 [tex]F_2=50[/tex]

Generally the Net force of two forces opposing each other is the difference between them

Therefore

The Net force between Force 1 and 2 is

[tex]F_t=F_1-F_2[/tex]

[tex]F_t=100-50[/tex]

[tex]F_t=50/s[/tex]

In conclusion

Since [tex]F_1[/tex] is moving to the right and its greater

The direction of Net force is  50m/s to the Right

Option A is correct

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Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).

Acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down. ... Acceleration is defined as the change in the velocity vector in a time interval, divided by the time interval.

In physics and astronomy, a frame of reference consists of an abstract coordinate system whose origin, orientation, and scale are specified by a set of reference points ― geometric points whose position is identified both mathematically and physically.

Answer:

9

Explanation:

since the resistance is not changing

Answer:

Force is an external agency that changes or tries to change the position of the body.

Its SI unit is Newton (N).

It would take 0.3639 seconds for this acceleration to occur.

Given the following data:

To find how long it takes for this acceleration to occur, we would use the first equation of motion.

Mathematically, the first equation of motion is given by the formula;

[tex]V = U + at[/tex]

Substituting the values into the equation, we have;

[tex]12.9 = 6.03 + 2.5t\\\\2.5t = 12.9 - 6.03\\\\2.5t = 6.87\\\\t = \frac{2.5}{6.87}[/tex]

Time, t = 0.3639 seconds

Therefore, it would take 0.3639 seconds for this acceleration to occur.

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Answer:

Let d be the density of fluid.

So , Initial reading of balance, F1 =30dg N

After the level reaches 50cm^3

Final reading of balance , F2 =50dg N

Given that difference between final and initial reading is 30g

i.e, F2 −F1

=30 g

⟹50dg−30dg=30g

⟹20dg=30g

⟹d=30g/20g

⟹d=1.5g/cm^3

So, density of fluid is 1.5g/cm^3

Answer:

A) 30 N right

Explanation:

your welcome

Answer:

C from the picture

Explanation:

Answer:

A

Explanation:

Answer:

doctor,health assistant , dentist, psychotherapist , nurse ,etc

explanation:

Here,

Using Formula;

v = u + at

or, 7 = 0 + (6.6*t)

or, 7 = 6.6t

or 7/6.6 = t

or, t = 1.06s

I think it will help you....

Answer:

[tex]velocity = \frac{distance}{time} \\ velocity = \frac{10}{12.20} \\ velocity = \frac{50}{61} \\ multiply \: by \: 3.6u \: can \: convert \: to \: km \: per \: hour \\ velocity = \frac{50}{61} \times 3.6 \\ v = \frac{180}{61} \\ v = 2.95 \frac{km}{h} \\ thank \: you[/tex]

Recall that vector addition can be visually represented by the head-to-tail method. This means that the head of one vector is glued to the tail of the other vector, to point us directly to the target vector we're after. Think of it like following instructions on a map.

A visual example is shown below. There are two pathways to arrive at the c = a+b vector. The patheway on the right is a+b while the path on the left is b+a. The order doesn't matter since we arrive at the same destination.

-------------------------------------

Here's an algebraic approach without the need of a drawing.

Consider that vectors a and b are defined like so

a = <p,q>

b = <r,s>

where p,q,r,s are real numbers. They define the coordinates of the two vectors.

Adding vectors a and b gets us

a+b = <p,q>+<r,s> = <p+r,q+s>

We add the corresponding coordinates. Since p+r is the same as r+p, we can say,

b+a = <r,s>+<p,q> = <r+p,s+q> = <p+r,s+q> = a+b

Therefore, a+b = b+a. Again, this all relies on the fact that addition of scalar numbers can be done in any order. So by extension, vector addition can be done in any order. This applies to multiple vectors and not just two of them.

Answer:

300 W

Explanation:

We know that

P = W/t

P = mgh/t

P = 40 × 10 × 3/4

P = 10 × 10 × 3

P = 300 W

Answer:

126.667 °Celsius

Explanation:

260 °Fahrenheit =126.667 °Celsius

The time of motion of the bullet is 0.064s.

The horizontal speed of the bullet is 781.25 m/s.

The time of motion of the bullet is the time taken for the bullet traveled from its initial position to the final position and it is calculated as follows;

h = vt + ¹/₂gt²

where;

0.02 = 0 + ¹/₂(9.8)t²

0.02 = 4.9t²

t² = 0.02/4.9

t² = 0.0041

t = √0.0041

t = 0.064 s

The horizontal speed of the bullet is calculated using the following formula shown below;

X = Vₓt

where;

Vₓ = X/t

Vₓ = (50 m) / (0.064)

Vₓ = 781.25 m/s

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We know

[tex]\\ \sf\longmapsto a=\dfrac{dv}{dt}[/tex]

[tex]\\ \sf\longmapsto a=\dfrac{dv}{dx}.\dfrac{dx}{dt}[/tex]

[tex]\\ \sf\longmapsto a=v\dfrac{dv}{dx}[/tex]

[tex]\\ \sf\longmapsto adx=vdv[/tex]

[tex]\\ \sf\longmapsto a{\displaystyle{\int}^x_{x_0}}dx=\displaystyle{\int}_u^v vdv[/tex]

[tex]\\ \sf\longmapsto a(x-x_0)=\dfrac{v^2-u^2}{2}[/tex]

Here

[tex]\\ \sf\longmapsto v^2-u^2=2as[/tex]

Answer:130.7s

Explanation:

Answer:

The final solution is 38 g.

Explanation:

(2.4 (g / mL)) x 15.82 mL

= 37.96800 grams

When rounded we get 38, so 38 g is the final solution.