A. -1
B. 1
C. 2
D. -2
Related Mcqs:
- What is the shape of velocity, time graph for constant acceleration ?
A. straight inclined line.
B. parabola
C. inclined curve
D. declined curve - When the body moves with terminal velocity the acceleration in the body become_____________?
A. 0
B. Maximum
C. Variable
D. Infinite - The value of acceleration due to gravity is minimum on which of these planets?
A. Mars
B. Jupiter
C. Mercury
D. NeptuneSubmitted by: Abid Hussain
- Terminal velocity of the body is directly proportional to the_______________?
A. The radius of the body
B. The diameter of the body
C. Size of the body
D. Square of the diameter of the body - The velocity of sound in air would become double than its velocity at 0°C at temperature ?
A. 313°C
B. 586°C
C. 819°C
D. 1172°C - The velocity of sound in air would become double than its velocity at 0°C at temperature________________?
A. 313°C
B. 586°C
C. 819°C
D. 1172°C - hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?
WA. 180°
B. 0°
C. 90°
D. 45° - Taking off rocket can be explained by __________________?
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy - Flight of a rocket in the space is an example of______________________?
A. second law of motion
B. third law of motion
C. first law of motion
D. law of gravitation - The thrust on the rocket in the absence of gravitational force of attraction is__________________?
A. Constant
B. not constant
C. constant if the rate of ejected gases is constant
D. constant for short range rocket.
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