Question

A Truck has a kinetic energy of 540 J and is travelling at 3 m/s, what is the Truck’s mass?

Answer 1

Answer:

120 kg

Explanation:

E = 1/2 mv²

540 = 1/2 ×x × (3)²

:- X = 120 kg.

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Answer 2

Answer:

K.E.=1/2 Mv²

KE= 540 J(given)

V= 3 m/s(given)

540=1/2 *m* (3)²

549*2/9=m

m=120 kg Ans

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