A body of mass 2 kg trown up with a velocity 20m/sec.what will be te potential energy at the end of 2 sec
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Hi friend,
We know that ,
Potential energy= mgh
We need to find height.
S= ut +1/2 at²
U= 20m/s. A=-10m/s²
S= 20×2+1/2(-10)×4
S= 20m.
P.E= 2×10×20
P.E= 400J.
Hope this helped you a little!!!
We know that ,
Potential energy= mgh
We need to find height.
S= ut +1/2 at²
U= 20m/s. A=-10m/s²
S= 20×2+1/2(-10)×4
S= 20m.
P.E= 2×10×20
P.E= 400J.
Hope this helped you a little!!!
Anonymous:
hay...your ans is wrong
Answered by
2
hay....hope you like it
Attachments:
Hey your answer is only wrong
Calculation mistake
For 20m you have put as 10 m
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