Question

5
5 s
= -0.4 m s-2
acceleration of the bicycle in the
case is 0.2 m s-2 and in the second
e, it is -0.4 m s-2.
stions
1. When will you say a body is in
(i) uniform acceleration? (ii) non-
uniform acceleration?
2. A bus decreases its speed from
80 km h-1 to 60 km h l in 5 s.
Find the acceleration of the bus.
3. A train starting from a railway
station and moving with uniform
acceleration attains a speed
40 km h 1 in 10 minutes. Find its
acceleration.
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Answer 1

Answer:

Uniform Acceleration

A body is said to be in uniform acceleration when it is increasing its speed equally in equal intervals of time.

Non Uniform Acceleration

A body is said to be in non uniform acceleration when it is increasing unequal amount of speed in equal intervals of time.