MCQ

Kinetic Energy

A projectile is launched at 45° to the horizontal with initial kinetic energy $E$. Assuming air resistance to be negligible, what will be the kin...

2009 Winter

MCQ

Kinetic Energy

Two trolleys are placed together on a horizontal runway with a compressed spring between them. When they are released, the 2 kg trolley moves to th...

2009 Winter

MCQ

Kinetic Energy

A raindrop of mass $m$ is falling vertically through the air with a steady speed $v$. The raindrop experiences a retarding force $kv$ due to the air, ...

2010 Winter

MCQ

Kinetic Energy

The kinetic energy of a vehicle of mass 1000 kg is $4.5 \times 10^5$ J. It is stopped by applying a constant braking force of 6000 N. What is its sto...

2010 Winter

Theory

Kinetic Energy

(a) Explain what is meant by work done. [1] (b) A car is travelling along a road that has a uniform downhill gradient, as shown in Fig. 2.1. ...

2011 Summer

MCQ

Kinetic Energy

The diagram shows a particle X, with kinetic energy $E_k$, about to collide with a stationary particle Y. Both particles have the same mass. After co...

2011 Winter

MCQ

Kinetic Energy

A trolley runs from P to Q along a track. At Q its potential energy is 50 kJ less than at P. At P, the kinetic energy of the trolley is 5 kJ. Betwe...

2011 Winter

MCQ

Kinetic Energy

When a horizontal force $F$ is applied to a frictionless trolley over a distance $s$, the kinetic energy of the trolley changes from 4 J to 8 J. If a...

2011 Winter

Theory

Kinetic Energy

(a) Define (i) force, [1] (ii) work done. [1] (b) A force $F$ acts on a mass $m$ along a straight line for a distance $s$. The accelerati...

2011 Winter

MCQ

Kinetic Energy

A solid rubber ball has a diameter of 8.0 cm. It is released from rest with the top of the ball 80 cm above a horizontal surface. It falls vertically ...

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair of quantities contains one vector and one scalar quantity?

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

One property Q of a material is used to describe the behaviour of sound waves in the material. Q is defined as the pressure P of the sound wave divide...

2013 Summer

MCQ

CH3 - KINEMATICS

A cannon fires a cannonball with an initial speed $v$ at an angle $\alpha$ to the horizontal. Which equation is correct for the maximum height $H$ re...

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A wave has a frequency of 5 GHz. What is the period of the wave?

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment to determine the acceleration of free fall $g$, the period of oscillation $T$ and length $l$ of a simple pendulum were measured. The ...

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The Y-input terminals of a cathode-ray oscilloscope (c.r.o.) are connected to a supply of amplitude 5.0 V and frequency 50 Hz. The time-base is set at...

2013 Summer

MCQ

CH3 - KINEMATICS

A body is released from rest and falls vertically in air of constant density. Which statement about the motion of the falling body is correct?

2013 Summer

MCQ

CH3 - KINEMATICS

A goods train passes through a station at a steady speed of 10 m s$^{-1}$. An express train is at rest at the station. The express train leaves the st...

2013 Summer

MCQ

CH3 - KINEMATICS

A car is stationary at traffic lights. When the traffic lights go green, the driver presses down sharply on the accelerator. The resultant horizontal ...

2013 Summer

MCQ

CH4 - DYNAMICS

Which of the following is a statement of the principle of conservation of momentum?

2013 Summer