Question 46 Four cuboids with identical length, breadth and height are immersed in water. The cuboids are held at the same depth and in ...

  Question 38 A boy throws a stone with a horizontal velocity of 10 m s -1 from the top of a building. The height of the building is 8.0 ...

Question 37 A hot-air balloon is moving vertically upwards with a constant speed of 3.00 m s -1 . A sandbag is dropped from the balloon....

Question 17 A metal ball of mass 40 g falls vertically onto a spring, as shown in Fig. 4.1. Fig. 4.1 (not to scale)   The sprin...