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

4

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

3

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

3

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

4

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

3

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

3

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

1

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

2

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

1

Theory

Kinetic Energy

(a) State what is meant by work done.  [1] (b) A trolley of mass 400 g is moving at a constant velocity of 2.5 ms-1 to the right as shown in Fig...

2013 Winter

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The SI unit for potential difference (the volt) is given, in base units, by

2010 Summer

1

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The product of pressure and volume has the same SI base units as

2010 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

An ion is accelerated by a series of electrodes in a vacuum. A graph of the power supplied to the ion is plotted against time.What is represented by t...

2010 Summer

1

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A vector quantity $V$ is resolved into two perpendicular components $X$ and $Y$. The angle between $V$ and component $X$ is $\theta$. The angle betwee...

2010 Summer

1

MCQ

CH3 - KINEMATICS

The diagram shows a velocity-time graph for a vehicle. The vehicle, moving at 4.0 ms-1, begins to accelerate at time = 0. What is the vehicle's ac...

2010 Summer

2

MCQ

CH3 - KINEMATICS

A small steel ball falls freely under gravity after being released from rest. Which graph best represents the variation of the height $h$ of the ball...

2010 Summer

1

MCQ

CH4 - DYNAMICS

Two equal masses travel towards each other on a frictionless air track at speeds of $60 \text{ cm s}^{-1}$ and $40 \text{ cm s}^{-1}$. They stick toge...

2010 Summer

2

MCQ

CH4 - DYNAMICS

A brick weighing 20 N rests on an inclined plane. The weight of the brick has a component of 10 N parallel with the plane. The brick also experiences ...

2010 Summer

2

MCQ

CH4 - DYNAMICS

The diagram shows two identical spheres X and Y. Initially, X moves with speed v directly towards Y. Y is stationary. The spheres collide elastical...

2010 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Forces of 3 N, 4 N and 5 N act at one point on an object. The angles at which the forces act can vary. What is the value of the minimum resultant for...

2010 Summer

3