Answer:
-
Explanation:
We are given that
Mass of cars= m=1900 kg
Initial speed of car=u=20 m/s
Final speed of car=v=0
Time=
=1.3 s
We have to find the average force exerted on the car.
Average force=



Hence, the average force exerted on the car that hits a line of water barrels=-
A. because as the merry-go-round spins the child accelerates towards the center of the merry-go-round at a uniform rate.
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Answer: The only advantage cutting crops with a sickle is that its very effective for cutting lodged crops.