Physics Past Questions and Answers

Which of the following is the most suitable for use as an altimeter?

A A mecury barometer
B A fortin barometer
C A mecury manometer
D An aneroid barometer

Question 2:

Which of the following is the most suitable for use as an altimeter?

A A mecury barometer
B A fortin barometer
C A mecury manometer
D An aneroid barometer

Question 3:

A body of weight W N rest on a smooth plane inclined at an angle\(\theta\)^o to the horizontal. What is the resolved part of the weight in Newtons along the plane?

A W sin\(\theta\)
B W cos\(\theta\)
C W sec\(\theta\)
D W tan\(\theta\)

Question 4:

A small metal ball thrown vertically upwards from the top of a tower with an initial velocity of 20ms^-1. If the ball took a total of 6s to reach ground level, determine the height of the tower [g = 10ms^-2]

A 60m
B 80m
C 100m
D 120m

Question 5:

An object moves with uniform speed round a circle. Its acceleration has

A Constant magnitude and constant direction
B Constant magnitude and varying direction
C Varying magnitude but constant direction
D Varying magnitude and varying direction