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3 years ago

What is kinetic energy

Physics

1 answer:

lesya692 [45]3 years ago

8 0

Answer:

Kinetic Energy

Explanation:

Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of particles

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Answer:

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3 years ago

Which graph accurately shows the relationship between kinetic energy and speed as speed increases?

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Answer:

Explanation:

kinetic energy (KE) is the energy possessed by moving bodies. It can be expressed as:

KE = $\frac{1}{2}$ m $v^{2}$

Where: m is the mass of the object, and v its speed.

For example, a stone of mass 2kg was thrown and moves with a speed of 3 m/s. Determine the kinetic energy of the stone.

Thus,

KE = $\frac{1}{2}$ x 2 x $3^{2}$

= 9

KE = 9.0 Joules

Assume that the speed of the stone was 4 m/s, then its KE would be:

KE = $\frac{1}{2}$ x 2 x $4^{2}$

= 16

KE = 16.0 Joules

Therefore, it can be observed that as speed increases, the kinetic energy increases. Thus option B is appropriate.

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3 years ago

What is kinetic energy￼

What is kinetic energy