2 years ago

Which image best represents kinetic energy?

Physics

2 answers:

Anni [7]2 years ago

6 0

Answer:

throwing a ball

Explanation:

because when we throw the ball we apply force so that the ball goes faster

Yuliya22 [10]2 years ago

4 0

i think the image in the attachment does...

hope it helps...!!!

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A child on a swing sweeps out a distance of 45 ft on the first pass. If she is allowed to continue swinging until she stops, an

earnstyle [38]

Answer:

d = 90 ft

Explanation:

Here in each swing the distance sweeps by the swing is half of the initial distance that it will move

So here we can say that total distance in whole motion is given as

$d = 45 + \frac{45}{2} + \frac{45}{4} + \frac{45}{8}..........$

since it is half of the distance that it will move in each swing so it would be a geometric progression with common ratio of 1/2

so sum of such GP is given by the formula

$S = \frac{a}{1 - r}$

$d = \frac{45}{1 - \frac{1}{2}}$

$d = 90 ft$

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3 years ago

A skateboarder with a mass of 60 kg moves with a force of 20 N. What is her acceleration?

Zanzabum

Explanation:

Solution,

Mass(m)= 60 kg
Force (F)= 20 N
Acceleration (a)= ?

We know that,

F=ma
a=F/m
a=20/60
a=0.333 m/s²

So, her acceleration is 0.333 m/s².

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2 years ago

A car moving around a circular track with constant speed (Select all that apply.) has an acceleration with a direction that cann

BARSIC [14]

Answer:

Explanation:

Has an acceleration directed towards center of its path

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3 years ago

Type the correct answer in the box. What is the resistance of a circuit with a voltage of 10 volts (V) and a current of 5 amps (

harkovskaia [24]

Resistance = Voltage/Current

= 10/5

Resistance = 2 ohms

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3 years ago

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attashe74 [19]

Option A 3......
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3 years ago