A lorry moving at a speed of 54 kmph hits a rock and comes to rest in 10 m. Find the work done by the rock if mass of truck is 20 MT.
Answers
Answered by
1
Answer:
Explanation:
V = 0
U = 54
W= fs
F=mg
=20 x 9.8
= 196
W= 196 x 10
= 1960 Joules
Answered by
1
Answer:
1960 joules
Explanation:
V = 0
U = 54
W= fs
F=mg
=20 x 9.8
= 196
W= 196 x 10
= 1960 Joules
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