Question

A car accelerate uniformly from 18 km/h to 36 km/h in 5sec calculate.(1)the acceleration and (2)the distance covered by the car in that time​

Answer 1

Explanation:

we have to multiply 18km/h and 36km/h with 5/18 to convert km/h into ms

so it will come 5ms and 10ms

u=5andv=10 t=5

a=v-u/t

a=10-5/5=1

a=1

s=ut+1/2at^2

s=5*5+1/2*1*5^2

25m+12.5m=37.5m

a=1ms^2

distance=37.5m

Answer 2

Answer:

Escape velocity is the minimum velocity that a body must attain to escape the gravitational field of the earth. Suppose if we throw a ball,it will fall back.

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