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

Theory

CH2 - MEASUREMENT TECHNIQUES

Measurements made for a sample of metal wire are shown in Fig. 1.1. Fig. 1.1 (a) State the appropriate instruments used to make each of these meas...

2011 Summer

2

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

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Explain what is meant by centre of gravity. (b) Define moment of a force. (c) A student is being weighed. The student, of weight $W$, stands 0.3...

2011 Summer

3

Theory

CH9 - DEFORMATION OF SOLIDS

(a) Define, for a wire, (i) stress,    [1] (ii) strain.    [1] (b) A wire of length 1.70 m hangs vertically from a fixed point,...

2011 Summer

3

Theory

CH20 - D.C. CIRCUITS

(a) A variable resistor is used to control the current in a circuit, as shown in Fig. 5.1. The variable resistor is connected in series with a 12V po...

2011 Summer

1

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) State two assumptions of the simple kinetic model of a gas.   [2] (b) Use the kinetic model of gases and Newton's laws of motion to exp...

2011 Summer

3

Theory

CH15 - SUPERPOSITION

(a) Explain the term interference.   [1] (b) A ripple tank is used to demonstrate interference between water waves. Describe (i) the appa...

2011 Summer

2

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) Distinguish between scalar quantities and vector quantities. [2] (b) In the following list, underline all the scalar quantities. accelerati...

2011 Summer

4

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) A sphere of radius $R$ is moving through a fluid with constant speed $v$. There is a frictional force $F$ acting on the sphere, which is given by ...

2011 Summer

2

Theory

Potential Energy

(a) (i) Explain what is meant by work done. [1] (ii) Define power. [1] (b) Fig. 3.1 shows part of a fairground ride with a carriage on rai...

2011 Summer

2