Question

IF bus is travelling with the velocity of 60 km per hour applying the brakes suddenly it is retarded 0.5 metre per second square how far will it travel before coming to rest

Answer 1

Answer:

0.83 m/sec²

Explanation:u

= 60km/hr × 5/18 = 50/3 m/sec

v= 0

t= 20s

a= ?

we know that-

a = v-u/t

a = -50/3 /20

a= -50/60

∴ a = -0.83m/sec²

negative sign shows that it is a retarded motion.

so its acceleration is 0.83 m/sec²

Answer 2

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