Question

A car accelerates uniformly from 20 km/h to 35 km/h in 5 seconds.Calculate
(i) The acceleration.
(ii) The distance covered by the car in that time​

Answer 1

Answer:

20 km/hr=20*5/18=5.5m/s.

35 km/hr=35*5/18=9.7m/s.

time =5 seconds.

acceleration= v-u/t

acceleration =9.7-5.5/5

acceleration=0.84m/s2

distance= ut+1/2at2

distance=20*5+1/2*0.84*25

distance =100+1/2*21

distance=100+10.5

distance covered=110.5m.

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Explanation:

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Answer 2

Answer:

same as above

Explanation:

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