The kinetic energy of an object depends on the velocity of the object. How does

Question

The kinetic energy of an object depends on the velocity of the object. How does it depend, more specifically, on the direction of the velocity?
Answer

a. For non-horizontal directions, the velocity magnitude has to be multiplied by the sine of the angle between the horizontal and the velocity.

b. We calculate energy considering only the horizontal components of the velocity.

c. For non-horizontal directions, the velocity magnitude has to be multiplied by the cosine of the angle between the horizontal and the velocity.

d. We calculate energy considering only the vertical components of the velocity.

e. The kinetic energy is independent of the direction of the velocity.

Explanation / Answer

since kinetic energy is a scalar quantity, e. The kinetic energy is independent of the direction of the velocity. is correct

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