Physics Past Questions and Answers

A boy travels 8 km eastward to a point B and then 6km northward to another point C. Determine the difference between the magnitude of displacement of the boy and distance travelled by him

The magnitude of the force required to make an object of mass, m move with speed, v in a circular of radius r is given by the expression

A man was moving round a circular path continuously for 4 minutes and covered the following distances in the times stated :
Distance (in metres) 200, 400, 600, 300
Time(in minutes) : 1, 2, 3, 4 respectively. Which of the following statements is correct about the motion of the man?

A car takes off from rest and covers a distance of 80m on a straight road in 10s. Calculate the magnitude of its acceleration

An object is released from rest at a height of 25m. Calculate the time it takes to fall to the ground. [g = 10ms^-2]