Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

1. A long tube contains oil. A small ball is held at rest at the surface of the oil. At time t = 0, the ball is released and begins to fall vertically...

2024 Summer

2

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

2. Fig. 2.1 shows two identical trolleys, P and Q, held at rest on a frictionless horizontal surface. A load is fixed to trolley P. There is a compres...

2024 Summer

2

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

3. Fig. 3.1 shows a small block of ice floating in a beaker of warm water. (a) State one way in which the motion of the particles in ice differs from ...

2024 Summer

4

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

4. The lens in a magnifying glass is a converging lens. (a) Fig. 4.1 shows the lens of the magnifying glass, its two focal points, F1 and F2, and its ...

2024 Summer

2

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

5. (a) Describe how a longitudinal wave differs from a transverse wave. [2](b) Fig. 5.1 represents a seismic wave produced by an earthquake. (i) State...

2024 Summer

3

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

1. (a) (i) State the difference between a scalar quantity and a vector quantity. [1] (ii) Define momentum. [1] (b) A test car crashes into a barri...

2024 Winter

1

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

1. A ball of mass 130 g is launched from the ground at an initial velocity of 14 m/s vertically upwards. It decelerates until it is at rest momentaril...

2024 Summer

2

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

6. Fig. 6.1 shows an isolated metal sphere suspended by an insulating thread from the ceiling. The sphere is negatively charged. (a) The charge on the...

2024 Summer

2

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

1. (a) A rocket has an initial mass of $7.4 \times 10^6$ kg. (i) Calculate the initial weight of the rocket. weight = ...................................

2024 Winter

1

Theory

Identifying scalar quantities: distance, speed, time, mass, energy, temperature

7. The electromotive force (e.m.f.) of a battery is 7.5 V.(a) Define the term electromotive force. [2](b) The battery is connected in series with a va...

2024 Summer

2

MCQ

Understanding scalar and vector quantities

In which row are quantities correctly categorised into scalar quantities and vector quantities? [Table_1]

2024 Summer

5

MCQ

Understanding scalar and vector quantities

Which name is given to the quantity of matter in an object?

2024 Summer

4

MCQ

Understanding scalar and vector quantities

A body is moved from place X to place Y where the gravitational field strength is different. What happens to its mass and to its weight due to the mov...

2024 Summer

2

MCQ

Understanding scalar and vector quantities

The mass of an object is 2.5 kg. The volume of the object is 480 cm^3. What is the density of the object?

2024 Summer

2

MCQ

Understanding scalar and vector quantities

Four objects each have two forces acting on them. Which object is in equilibrium?

2024 Summer

4

MCQ

Understanding scalar and vector quantities

A ball of mass $m$ falls vertically and hits a hard surface. Its speed on hitting the surface is $v_1$. It rebounds vertically upwards with speed $v_2...

2024 Summer

3

MCQ

Understanding scalar and vector quantities

A stone is dropped from a tall tower and falls a distance of 50 m to the ground. The stone has a mass of 3.0 kg. At which speed does the stone hit the...

2024 Summer

3

MCQ

Understanding scalar and vector quantities

A coal-fired power station generates electricity. Coal is burned and the energy released is used to boil water. The steam from the water makes the gen...

2024 Summer

2

MCQ

Understanding scalar and vector quantities

A man puts some ice into a glass of water on a warm day. After a short time, he notices that the ice disappears and that water droplets appear on the ...

2024 Summer

1

MCQ

Understanding scalar and vector quantities

Gas of volume 200 cm^3 is trapped inside a container by a piston. The piston is pushed to the right and the volume of the gas decreases to 100 cm^3. T...

2024 Summer

2