A object has a mechanical energy of at a certain instant

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A

2\,\text{kg}

object has a mechanical energy of

150\,\text{J}

at a certain instant. If its potential energy at that instant is

50\,\text{J}

, calculate its kinetic energy. (a)

200\,\text{J}

(b)

50\,\text{J}

(c)

100\,\text{J}

(d)

75\,\text{J}

Related theory

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