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The kinetic energy of a body of mass 2kg moving with a velocity of 2 m/s is

K.E.= 1/2? mv2
K.E = .5 ? 2?2?2
= 4 m/s2
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Formula of KE = 1/2 mvsquare
Where mass = 2kg
And
Velocity = 2m/s
therefore,
1/2*2*(2)square
= 4
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4m/s2
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Given,
Mass= 2kg
Velocity= 2ms^-1

???Kinetic Energy=1/2 mv^2

K.E.= 1/2?2kg?(2m/s)^2
= 1/2?2kg?4m^2/s^2
= 4 J

Hence, kinetic energy is 4 J.
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4 is ans
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Kinetic energy =1/2 * m*v*v.
M=2 kg
V=2m/s
K.E=1/2*2*2*2
=2m/sAns
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Write a letter to your grandfather congratulating him on his birthday.
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K.E.= half mv2
Here mass= 2 kg
V= 2m/sec.
THEREFORE,
1/2*2*(2)2
=4 m/sec
HOPE THIS HELPED
 
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