mtc5047 mtc5047

11-03-2024
Physics

contestada

If the speed of an object is doubled its kinetic energy is multiplied by

a.
0.5

b.
4

c.
0.25

d.
2

Respuesta :

MathPhys MathPhys

11-03-2024

Answer:

b. 4

Explanation:

Kinetic energy of an object is:

KE = ½ mv²

If the speed is doubled, the kinetic energy is quadrupled.

4KE = ½ m (2v)²

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