Theory

CH4 - DYNAMICS

A ball B of mass 1.2 kg travelling at constant velocity collides head-on with a stationary ball S of mass 3.6 kg, as shown in Fig. 2.1. Frictional ...

2009 Summer

MCQ

CH4 - DYNAMICS

Which statement about a ball that strikes a tennis racket and rebounds is always correct?

2009 Winter

MCQ

CH4 - DYNAMICS

The diagram shows two spherical masses approaching each other head-on at an equal speed $u$. One has mass $2m$ and the other has mass $m$. Which di...

2009 Winter

MCQ

CH4 - DYNAMICS

A supermarket trolley, total mass 30 kg, is moving at 3.0 m s⁻¹. A retarding force of 60 N is applied to the trolley for 0.50 s in the opposite...

2009 Winter

Theory

CH4 - DYNAMICS

A stationary nucleus of mass 220u undergoes radioactive decay to produce a nucleus D of mass 216u and an \( \alpha \)-particle of mass 4u, as illustra...

2009 Winter

Theory

CH4 - DYNAMICS

A small ball is thrown horizontally with a speed of 4.0 ms$^{-1}$. It falls through a vertical height of 1.96 m before bouncing off a horizontal plate...

2009 Winter

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

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

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

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 elastic...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which is an SI base unit?

2015 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair contains one vector and one scalar quantity?

2015 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

When a constant braking force is applied to a vehicle moving at speed $v$, the distance $d$ moved by the vehicle in coming to rest is given by the exp...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A whale produces sound waves of frequency 5 Hz. The waves are detected by a microphone and displayed on an oscilloscope. What is the time-base setting...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The angular deflection of the needle of an ammeter varies with the current in the ammeter as shown in the graph. Which diagram could represent the ap...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The strain energy $W$ of a spring is determined from its spring constant $k$ and extension $x$. The spring obeys Hooke's law and the value of $W$ is c...

2015 Summer

MCQ

CH3 - KINEMATICS

A sphere is released and falls. Its initial acceleration reduces until it eventually begins to travel at constant terminal velocity. Which displacemen...

2015 Summer

MCQ

CH3 - KINEMATICS

An insect jumps with an initial vertical velocity of 1.0 $\text{m s}^{-1}$, reaching a maximum height of 3.5 $\times 10^{-2} \text{m}$. Assume the dec...

2015 Summer

MCQ

CH3 - KINEMATICS

A body having uniform acceleration $a$ increases its velocity from $u$ to $v$ in time $t$. Which expression would not give a correct value for the bo...

2015 Summer

MCQ

CH4 - DYNAMICS

What is a reasonable estimate of the average gravitational force acting on a fully grown woman standing on the Earth?

2015 Summer