Physics Exam Questions

A body is projected with an initial velocity u at an angle θ to the horizontal. The time taken by it to reach the maximum height is given by the expression

Which of the following is a scalar quantity?

• power

• weight

• electric field

• velocity

The resultant force of a couple is ________

• zero

• infinite

• the sum of the forces

• the product of the forces

What is the displacement between points P and Q if their coordinates are P (-1, 2) and Q(4, 14)?

• 12units

• 14units

• 5units

• 13units

In a school compound, a girl walks 40m due east from the laboratory to the staff room to submit her assignment. The she turns walks 30m due north to her classroom. Determine the magnitude of her displacement from the laboratory.

• 10m

• 70m

• 50m

• 10m

• 5m/s

• 10m/s

• 3m/s

• 7m/s

A car starts from rest and covers a distance of 40m in 10s. Calculate the magnitude of its acceleration.

• the vertical distance covered

• acceleration due to gravity

• The horizontal distance covered

• the acceleration of the body

Frequency is measures in

• metre per second

• second

• hertz

• farad

A body moving with an initial velocity u accelerates until it attains a velocity of v within a time t. the distance s covered by the body is given by the expression