RRB Group D 22-Sep-2018 Shift 1 Solved Paper

Question : 61 of 100

Marks: +1, -0

An object of mass

80 \ { kg}

is moving with a velocity of

60 \ { ms}^{-1}

. Then the momentum of the object is _______.

Solution:

Mass of an object

(\ {m})=80 \ { kg}

Velocity

(v)=60 \ { ms}^{-1}

Momentum of the object

(P)=m \×v

=80 \ { kg} \×60 \ { ms}^{-1}=4800 \ { kg} \ { ms}^{-1}

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