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On which section of the track does the car accelerate? Explain

A

Explanation:

The change in speed on slopes is due to gravity. Therefore, when going downhill, objects accelerate

The car starts to accelerate at section A, since it is travelling down a slope. It accelerates due to gravity acting on the downwards direction.

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min