Question

A car acquires a velocity of of 72 kilometre/hour in 10 seconds starting from rest. Find a) the acceleration
b) the distance travelled in this time

Answer 1

Explanation:

given,

v = 72k/h or 20m/s

u = 0k/h or 0m/s

t = 10s

a) a= v-u/t

= 20-0/10

= 2m/s

b) v² - u² = 2as

= 20² - 0 = 2(2)s

= 400 = 4s

= s = 400/4

= s = 100m

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Answer 2

Answer:

this is your answer!

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