Physics Past Questions and Answers

At what respective values of X, Y and Z would the unit of force, the newton, be dimensionally equivalent to M^xL^yT^z?

At what respective values of X, Y and Z would the unit of force, the newton, be dimensionally equivalent to M^xL^yT^z?

The distance xm travelled by a particle in time t seconds is described by the equation x = 10 + 12t², Find the average speed of the particle between the time interval t = 2s and t = 5s

A 5kg block is released from rest on a smooth plane inclined at an angle of 30^o to the horizontal. What is the acceleration down the plane? [g = 10ms^-2]

An arrow of mass 0.1kg moving with a horizontal velocity of 15ms^-1 is shot into a wooden block of mass 0.4kg lying at rest on a smooth horizontal surface. Their common velocity after impact is