Asked by Leela

A body of mass 10kg is acted on by a constant force of 20n for 3second. Calculate the kinetic energy at the end of the time.

Answers

Answered by bobpursley
Honestly, it depends on the initial velocity.
force*time=mass*changeinvelocity
changeinvelocity=force*time/mass
Now if the initial velocity is zero, then, and only then, the final velocity is =change invelocity, and one would have
vfinal=force*time/mass
and vfinal ^2=(20*3/10)^2=36
final KE= 1/2 m vfinal^2=1/2 (10*36)= I get about 180m/s
Answered by Eunice
A body of mass 10kg is acted on by a constant force if 20N for 3seconds .calculate the kinetic energy .the distance traveled

Answered by najeeb m inuwa daraxo
A BODY OF MASS
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