Question

The kinetic energy of a body of mass lky and linear momentum 2 Ns is
b) 2.50
d) 2J
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Answer 1

Answer:

Given:mass(m)=2kg, momentum(p)=2Ns

we know; p=mv

v=

m

p

v=1ms

−1

Kinetic energy (K.E) =

2

1

mv

2

,

K.E=

2

1

pv

K.E=

2

1

×2×1

K.E=1J

Answer 2

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