What is the velocity of the objected represented by the graph between 14.0 s and 18.0 s?
240 m/s
- 15 m/s

- 120 m/s
120 m/s

Answer:

F=9/5(°C)+32

Explanation:

Lets take an example

[tex]\\ \sf\longmapsto \dfrac{9}{5}(25)+32[/tex]

[tex]\\ \sf\longmapsto 9(5)+32[/tex]

[tex]\\ \sf\longmapsto 45+32[/tex]

[tex]\\ \sf\longmapsto 77°F[/tex]

Answer:

64 m

Explanation:

use formula velocity= displacement / time

[tex]\\ \rm\longmapsto Distance=Speed\times Time[/tex]

[tex]\\ \rm\longmapsto Distance=8(8)[/tex]

[tex]\\ \rm\longmapsto Distance=64m[/tex]

Answer:

m = image distance/object distance

m=35/15=7/3

f=uv/(u+v)

35*15/(35+15)

f=10.5cm

Answer:

u can find answer in quora

Explanation:

Answer:

pretty sure it is gravity

Answer:

Electricity

Explanation:

Please find the attached photo for your answer. Hope it helps..

There are 60 seconds in 1 minute. So, 3 minutes is the same as 3×60=180 seconds. If you travel 6 m/s (meaning after 1 second, you've run 6 meters), then after 3 minutes (or 180 seconds), you have run 6×180=1080 meters.

Answer:

speed = distance / time taken

=2000/35

=57.14 m/s

Explanation:

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Answer:

0.952 m/s

Explanation:

Answer:

Explanation:

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Answer:

Considering Tarzan as a point mass at point L and using the equation for a simple pendulum:

P = 2 pi (L / g)1/2

P^2 = 4 pi^2 L / g

L = g P^2 / (4 pi^2) = 9.8 m/s^2 * 7.27^2 s^2 / (4 pi^2) = 13.1 m

Answer: 13.1

Explanation:

Explanation:

[tex]\text{Acceration is the rate of change of velocity per unit time.}

\text{Suppose the initial velocity is }u,\text{ and the final velocity is }v.

\text{Then the change of speed is }v-u.

\text{If such velocity change takes }t\text{ seconds, the average acceleration is }a.

\text{So we write}[/tex]

[tex]\frac{v-u}{t}=a\implies v=u+at[/tex]

We have that what  missing from this graph is

Axis labels.

Correct option is B

Generally

It is important to note that a graph is incomplete with out labeling its  axis to show clarification

The Graph above  has

a title as"Number of sunspots each year"

and obvious trend lines

Therefore

Axis labels.

Correct option is B

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Answer:

It's axis labels

Explanation:

I took the test :D

Answer:

Itś 360 W

Explanation:

took the test

Answer:

As we know 1 liter=1000ml

2 liter bottle of soda has 2000 milliliter in it.

A mechanism is what is responsible for any action or reaction. Machines are based on the idea of transmitting forces through a series of predetermined motions. These related concepts are the basis of dynamic movement.

Answer:

The volume of 1600 kg of petrol is 1600/800 = 2 m^3. As the density of lead is 11400 kg/m^3, the mass of 2 m^3 is 11400*2 = 22800 kg. The mass of lead with the same volume as 1600 kg of petrol is 22800 kg.

Explanation:

An object moving in vector quantity can be defined by its magnitude and direction.

If the object has both magnitude and direction and direction or magnitude or both are changing as they are moving, then it is a vector quantity.

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Answer:

experimental data obtained by using technology to get objective measuremennts

A physical change is a change affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.

Theodore is 170 centimeters from the finish line when Alvin crosses it.

The total distance is 451 cm, so we can find the time that takes Alvin to crosses the finish line as follows:

[tex] v_{a} = \frac{x}{t} [/tex]   (1)

Where:

[tex] v_{a}[/tex]: is the speed of Alvin = 19.28 cm/s

x: is the total distance = 451 cm

t: is the time that takes Alvin to crosses the finish line =?

By solving equation (1) for t, we have:

[tex]t = \frac{x}{v} = \frac{451 cm}{19.28 cm/s} = 23.4 s[/tex]

Now, after 23.4 seconds have elapsed, Theorode has traveled the following distance ([tex]x_{t}[/tex]):

[tex] x_{t} = v_{t}*t [/tex]

Where:

[tex]v_{t}[/tex]: is the speed of Theodore = 12 cm/s  

[tex] x_{t} = v_{t}*t = 12 cm/s*23.4 s = 281 cm [/tex]

The distance (d) that Theodore needs to travel to cross the finish line is:

[tex]d = x - x_{t} = 451 cm - 281 cm = 170 cm[/tex]

Therefore, Theodore is 170 centimeters from the finish line when Alvin crosses it.

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I hope it helps you!                  

Answer:

[tex]\boxed {\boxed {\sf 40 \ Newtons}}[/tex]

Explanation:

We are asked to find the force of a wheelbarrow. According to Newton's Second Law of Motion, force is the product of mass and acceleration.

[tex]F= \ m \times a[/tex]

The mass of the wheelbarrow is 20 kilograms. We are not given the acceleration, so we must calculate it using the following formula.

[tex]a= \frac{v_f-v_i}{t}[/tex]

The wheelbarrow starts at rest or 0 meters per second (initial velocity) and accelerates to reach 10 meters per second (final velocity) in 5 seconds (time).

Substitute these values into the formula.

[tex]a= \frac{ 10 \ m/s-0 \ m/s}{5 \ s}[/tex]

Solve the numerator.

[tex]a= \frac{10 \ m/s}{5 \ s}[/tex]

Divide.

[tex]a= 2 \ m/s/s[/tex]

[tex]a= 2 \ m/s^2[/tex]

Now we know the mass and acceleration of the wheelbarrow

Substitute the values into the force formula.

[tex]F= 20 \ kg \times 2 \ m/s^2[/tex]

[tex]F= 40 \ kg*m/s^2[/tex]

Convert the units. 1 kilogram meter per square second is equal to 1 Newton, so our answer of 40 kilogram meters per square second is equal to 40 Newtons.

[tex]F= 40 \ N[/tex]

Answer:

40 N

Explanation:

We know that

F = ma

and

a = (v - u)/t

So,

F = m(v - u)/t

F = 20(10 - 0)/5

F = 20(10/5)

F = 20(2)

F = 40 N

Answer: I think the vertical acceleration values are not equal to the theoretical acceleration due to gravity, -9.81 meters/second2 due to the gravity force and maybe the drag due to air resistance.

Explanation: About my earlier prediction about which ball will land first, I can say that my hypothesis was right, but not quite because I calculated the average vertical acceleration, where the time period is t = 0.10 second to t = 1.00 second, the results were different. If the result were maybe right or close to the I would have said that my hypothesis was correct.

Answer:

A

Explanation:

Wattage = E * I

E = 25

I = 5

Wattage = 25 * 5

Wattage = 125

The secondary, in an ideal transformer has the same wattage.

125 = 50 * I           Divide by 50

125/50 = I

I = 2.5

Answer:

I would guess the following:

The smallest part of the element is: (the atom)

proton, neutron, electron (atomic particles

The proton has mass and is positive

The neutron has mass and no charge

The electron has (very small) no mass and negative charge,

Each atomic particle has a different atomic weight.

Answer:

Explanation: he moves way to fast

Answer:

3600m/hr is the speed of the cat

Assuming you are supposed to write each conversion in scientific notation:

(2) 1 m = 100 cm, so

(67 cm) × (1/100 m/cm) = 67/100 m = 0.67 m = 6.7 × 10 ⁻¹ m

(3) 1 km = 1,000 m, so

(1.2 km) × (1000 m/km) = 1200 m = 1.2 × 10³ m

(4) 1 m = 1,000 mm = 10³ mm, so

(6.2 × 10 ⁻³ m) × (10³ mm/m) = 6.2 mm

(5) 1 m = 1,000,000,000 nm = 10⁹ nm, so

(4.05 × 10³ nm) × (1/10⁹ m/nm) = 4.05 × 10 ⁻⁶ m

(6) 1 g = 1,000,000 µg = 10⁶ µg, so

(3200 µg) × (1/10⁶ g/µg) = 3200 × 10 ⁻⁶ g = 3.2 × 10 ⁻³ g

Answer:

The velocity is decreasing over the time linearly not parabolically. About the mathematical relationship between y-velocity and time here says that there appears to be no outliers, the graph looks to have a strong positive connection, and because the graph is attached, it appears to be more linear.

Explanation:

Answer:

Unalanced

Explanation:

The constant motion of a object will not be altered unless another force acts upon it, which will unbalance the object.