41. The intercept of the velocity-time graph on the velocity axis gives.
A. initial velocity
B. final velocity
C. average velocity
D. instanteneous velocity
Answer : Option A
Here are the graphs of velocity
Here is a velocity - time graph of a motorbike moving in one direction. Calculate the distance covered by it in last two seconds.
In the figure acceleration (a)
The graph of displacement (x)
A. OA
B. AB
C. O - A - B
D. acceleration is not positive at any part.
Answer : Option D
Explanation :
46. In a uniformly accelerated motion the slope of velocity - time graph gives _____
A. The instantaneous velocity
B. The acceleration
C. The initial velocity
D. The final velocity
Answer : Option B
47. The area covered by the curve of v – t graph and time axis is equal to magnitude of ____
A. change in velocity
B. change in acceleration
C. displacement
D. final velocity
Answer : Option C
48. An object moves in a straight line. It starts from the rest and its acceleration is
A. 6 m/s
B. 5 m/s
C. 10 m/s
D. 4 m/s
Answer : Option A
Explanation :
If maximum velocity is V.
49. The relation between time and displacement of a moving particle is given by
Here are the graphs of
(1).
(2).
(3).
(4).
