RRB Group D 17-Dec-2018 Shift 1 Soled Paper

Question : 26 of 100

Marks: +1, -0

An object of mass 10 kg is moving with a uniform velocity of 4 ms

^{-1}

. Find the kinetic energy possessed by the object

Solution:

Given : mass- 10kg, velocity- 4m/sec We know that-
KE=

1/2 mv^2

=1/2×10×(4)

^2

=5×16=80

joule

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