Kinetic Energy

Kinetic energy! Does it resonate to you? Let's take the quiz to understand more.
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Questions #: 9
Time: 10 minutes
Pass Score: 80.0%
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________ energy is the energy an object has by virtue of its motion

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Explanation

Pendulum in motion

 

The pendulum shown here is just about to hit the show.  When it was at position A, it had energy.  Just before it hits the shoe, it has fallen to the level of the shoe and has thus lost its energy.  So how can it move the shoe if it has no energy anymore?  The answer is that the pendulum still has energy, but now the energy is due to its rather than to its .

drag and drop the selected option to the right place or type it instead
motion
potential
position
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Explanation

What form of energy is due to position?

Missing
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What form of energy is due to motion?

Missing
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Which of these energy forms can a pendulum have?

 

pendulum_from_A.gif

Potential
Kinetic
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The amount of kinetic energy an object has depends upon the object's

mass
speed
weight
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Explanation

What is the formula we use to calculate kinetic energy (KE)?

Start with

  • KE=

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Explanation

Doubling mass or doubling velocity?

Given the Kinetic Energy equation (KE)

$KE=\frac12mv^2$

Would doubling the mass or doubling the velocity of an object have a greater effect on its kinetic energy?

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Explanation

Impact on kinetic energy if velocity is changed

Given the Kinetic Energy equation (KE)

$KE=\frac12mv^2$

The kinetic energy of an object will be _________ if its velocity is tripled.

 

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Explanation

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