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# a body has mass 40kg and moving with 40m/s velocity what kinetic energy

mayank
20 Points
7 years ago

1/2 * 40 *402

vinit pathak
18 Points
7 years ago

Use k =1/2mv2

Then u will get ans 32000

sumanth
40 Points
7 years ago

## we know that formula for kinetic enrgy ,K.E=1/2mv2

here mass =40kgs

velocity=40m/s

by formula=0.5*40*40*40

=32000

naniuppati
35 Points
7 years ago

given,mass=40kg

velocity=40m/sec

from the formula of kinetic energy    1/2mv^2 =1/2*40*40^2=32000kg.m/s^2

vijay
14 Points
7 years ago

ans;32000,kinetic energy=1/2mv2=1/2*40*40*40

Amit Sinha
39 Points
7 years ago
kinetic energy = 1/2*m*sq.v 1/2*40*40=3200joule
sai
37 Points
7 years ago
K.E=1/2MVsquare. ans:1/2(40)(1600)=20(1600)=3200j
22 Points
7 years ago
K.E=0.5xmxv^2=0.5x40x40^2=3200J
sivakrishna
37 Points
7 years ago
Given M=40kg V=40m/s According to the equation K=1/2 m v^2 =1/2(40)(40)^2 =64000/2 =32000
38 Points
7 years ago
32000m/s
THEJA
28 Points
7 years ago
kinetic enrgy ,K.E=1/2mv2 here mass =40kgs velocity=40m/s by formula=0.5*40*40*40 =32000