Physics Past Questions and Answers

A ball is thrown vertically into the air with an initial velocity u. What is the greatest height reached?

Which of the following assumptions is made in a simple pendulum experiment? the

A constant force of magnitude F acts on an object of mass 0.04kg initially at rest at a point O. if the speed of the object when it has moved 50m from O is 500ms<sup style='font-size: smaller;'>-1</sup>, what is the value of F?

A rectangular tank contains water to a depth of 2m, if the base is 4m x 3m, calculate the force on the base (Density of water = 10<sup style='font-size: smaller;'>3</sup>kgm<sup style='font-size: smaller;'>-3</sup>, g = 10ms<sup style='font-size: smaller;'>-2</sup>)

A 1000kg elevator is descending vertically with an acceleration of 1.0ms<sup style='font-size: smaller;'>-2</sup>, if the acceleration due to gravity is 10ms<sup style='font-size: smaller;'>-2</sup>, the tension in the suspending cable is