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71
A solid disc and a solid sphere have the same mass and same radius. Which one has the higher moment of inertia about its centre of mass?
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Answer: Option A
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72
Which of the following Newton's Law of Motion provides an explanation for why a ball thrown on the wall collides and returns?
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Answer: Option C
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73
The speedometer of the car do not show its
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Answer: Option D
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74
A ball is thrown vertically upward from the ground with a speed of 25.2 m/s. The ball will reach the highest point of its journey in
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Answer: Option C
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75
The displacement-time (s-t ) graph of a particle acted upon by a constant force is
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Answer: Option C
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76
As the object covers unequal distances in equal intervals of time, it is said to be in . . . . . . . . motion.
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Answer: Option C
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77
If the distance-time graph is a curve then it represents . . . . . . . .
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Answer: Option D
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78
When a ball bounces off the ground, which of the following changes suddenly? (Assume no loss of energy to the floor)
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Answer: Option B
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79
A man is standing in a boat in still water. If he tries to walk towards the shore, the boat will
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Answer: Option A
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80
Which of the following is correct?
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Answer: Option C
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