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?
72. Which of the following Newton's Law of Motion provides an explanation for why a ball thrown on the wall collides and returns?
73. The speedometer of the car do not show its
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
75. The displacement-time (s-t ) graph of a particle acted upon by a constant force is
76. As the object covers unequal distances in equal intervals of time, it is said to be in . . . . . . . . motion.
77. If the distance-time graph is a curve then it represents . . . . . . . .
78. When a ball bounces off the ground, which of the following changes suddenly? (Assume no loss of energy to the floor)
79. A man is standing in a boat in still water. If he tries to walk towards the shore, the boat will
80. Which of the following is correct?
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