Question

Consider an object moving along a straight line. Let it travel 5 m in first second, 5m more in next second, 5m
in third second and so on. This type of motion is called uniform motion. There are few examples like a
person walking in crowd or car moving in traffic etc which shows non-uniform motion
Examine the table and answer the questions:
Time
9.30 am
9.45 am
10.00 am
10.15 am
10.30 am
10.45 am
11.00 am
Distance travelled by
object A in m
10
20
30
40
50
60
70
Distance travelled by
object B in m
12
19
23
35
37
41
44
(1) Define uniform motion
(ii) Define non-uniform motion
(in) Which object shows uniform motion- A or B?
(iv) Considering motion of hour hand of a clock - is it uniform or non uniform motion?​

Answer 1

Answer:

ANSWER

Initial velocity =v1=5m/s seast wards.

then after time t=10 sec

towards east =5m/s

v2=5m/s north wards.

towards east =5m/s

V resultant =v12+v22

=25+25=52

acceleration a=v=velocity/time

=1052=22×22=21towardsn−w

Explanation:

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