A car of mass 1,000kg moving with a velocity of 40kmh−1 collides with a tree and comes to a stop in 5s. What will be the force exerted by car on the tree?
A
2222.22N
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B
1111.11N
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C
3333.33N
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D
None of the above
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Solution
The correct option is A2222.22N v=u+at a=v−ut F=ma=m(v−u)t