Post Utme Physics Past Questions and Answers

Question 1201:

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

A. $20cm$ to the right
B. $20cm$ to the left
C. $10cm$ to the right
D. $10cm$ 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 $25m/s$. If it took the object 8s to reach the ground level, what is the height of the building up to the last floor? $g=$ $10m/s^2$

A. $100m$
B. $50m$
C. $60m$
D. $120m$

Question 1203:

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

A. $60.8s$
B. $80.6s$
C. $40.8s$
D. $80.4s$

Question 1204:

A ball of mass $100g$ is being acted upon by a constant force of $50N$ for $2s$. 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 $20N$ while $B$ exerts a pull of $30N$. What is the resultant pull on the ship and the angle it makes with the $30N$ cable.

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