plz solve it mathematically .
Attachments:
Answers
Answered by
1
We know Ek=1/2×m×v^2
When speed is doubled then v1=2v
So E1=1/2×m×(2v)^2
=1/2×m×4×v^2
=4×1/2×m×v^2
=4E
When speed is doubled then v1=2v
So E1=1/2×m×(2v)^2
=1/2×m×4×v^2
=4×1/2×m×v^2
=4E
hamza34:
ok thnx
Similar questions