Post Utme Physics Past Questions and Answers

Question 1201:

An object placed \(10 cm\) in front of a convex lens of focal length \(20 cm\) produces an image whose position from the lens is?

A. \(20 cm\) to the right
B. \(20 cm\) to the left
C. \(10 cm\) to the right
D. \(10 cm\) to the left

Question 1202:

An object is projected vertically upwards from the last floor of a six - storey building with a velocity of throw of \(25 m / s\). If it took the object 8s to reach the ground level, what is the height of the building up to the last floor? \(g =\) \(10 m / s ^{2}\)

A. \(100 m\)
B. \(50 m\)
C. \(60 m\)
D. \(120 m\)

Question 1203:

A car starts from rest and accelerates at \(1.5 m / s ^{2}\) until it reaches a velocity of \(9 m / s\). The bus continues at this velocity and then decelerates at \(2 m / s ^{2}\) until it comes to a stop \(500 m\) from the take off point. How long did the bus take throughout the motion?

A. \(60.8 s\)
B. \(80.6 s\)
C. \(40.8 s\)
D. \(80.4 s\)

Question 1204:

A ball of mass \(100 g\) is being acted upon by a constant force of \(50 N\) for \(2 s\). What is the impulse experienced by the ball in Ns.

A. 100
B. 150
C. 200
D. 250

Question 1205:

A model ship is towed by two cables A and B which are at \(60^{\circ}\) to each other. A exerts a pull of \(20 N\) while \(B\) exerts a pull of \(30 N\). What is the resultant pull on the ship and the angle it makes with the \(30 N\) cable.

A. \(59 N ; 23^{\circ}\)
B. \(44 N\); \(23^{\circ}\)
C. \(44 ; 32^{\circ}\)
D. \(43 N ; 23^{\circ}\)