Equations of Motion

Physics Practice Questions

Question 1

Year: 2003 Exam: AIPMT

A man throws balls at the same speed vertically upwards, one after the other at an interval of 2 seconds. What should be the speed of the throw, so that more than two balls are in the sky at any time? (Given, g = 9.8 m/s²)

A. More than 19.6 m/s. B. At least 9.8 m/s. C. Any speed less than 19.6 m/s. D. Only with speed 19.6 m/s.

Question 2

Year: 2020 Exam: PMT/NEET

A ball is thrown vertically downward with a velocity of 20 m/s from the top of a tower. It hits the ground after some time with a velocity of 80 m/s. The height of the tower is (g = 10 m/s²):

A. 360 m B. 340 m C. 320 m D. 300 m

Question 3

Year: 1991 Exam: AIPMT

A body dropped from the top of a tower falls through 40 m during the last two seconds of its fall. The height of the tower is (g = 10 m/s^2):

A. 60 m B. 45 m C. 80 m D. 50 m