a particle is moving with the velocity of 10 mwetre per second in the east .on applying a force its direction becomes towards north and it remains moving with the same velocity.find change in velocity using graphical method
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11th
Physics
Motion in a Straight Line
Acceleration
A particle moves towards ea...
PHYSICS
A particle moves towards east with velocity 5m/s. After 10 seconds its direction changes towards north with same velocity. The average acceleration of the particle is
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correct option is B.
Intial velocity=v1=5m/seast wards
then after time t=10sec
v2=5m/s north wards
δv=
V
1
2
+
V
2
2
=
25
+25
=5
2
acceleration a=
time
velocity
=
10
5
2
=
2
2
×
2
2
=
2
1
towards n-w