6). A particle moves in a circle of radius R=21/22 m with constant speed 1 m/s. Find:
(a) Magnitude of average velocity in 2 seconds
(b) Magnitude of average acceleration in 2 seconds
7). A particle is moving in x-y plane. At time t=0, particle is at (1,2) and has velocity 4i+6j. At t=4, particle reaches (6,4) and has velocity 2i+10j. In the given time interval, find,
(a) Average velocity
(b) Average Acceleration
8). A particle is moving in a circle of radius 4 cm with constant speed of 1cm/s. Find:
(a) Time period of the particle
(b) Average speed of the particle in time t=0 to t=1 sec.
(c) Average velocity of the particle in time t=0 to t=1 sec.
(d) Average acceleration of the particle in time t=0 to t=1 sec.
9). A particle moves in a straight line with a constant speed of 4m/s for 2seconds, then with 6 m/s for 3 seconds. Find the average speed of the particle in the given time interval.
(a) Magnitude of average velocity in 2 seconds
(b) Magnitude of average acceleration in 2 seconds
7). A particle is moving in x-y plane. At time t=0, particle is at (1,2) and has velocity 4i+6j. At t=4, particle reaches (6,4) and has velocity 2i+10j. In the given time interval, find,
(a) Average velocity
(b) Average Acceleration
8). A particle is moving in a circle of radius 4 cm with constant speed of 1cm/s. Find:
(a) Time period of the particle
(b) Average speed of the particle in time t=0 to t=1 sec.
(c) Average velocity of the particle in time t=0 to t=1 sec.
(d) Average acceleration of the particle in time t=0 to t=1 sec.
9). A particle moves in a straight line with a constant speed of 4m/s for 2seconds, then with 6 m/s for 3 seconds. Find the average speed of the particle in the given time interval.
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