Theory

Orbital Motion, Orbital Speed and Orbital Period

 A geostationary satellite orbits the Earth. The orbit of the satellite is circular and the period of the orbit is 24 hours. (a) State two other...

2019 Winter

4

Theory

Orbital Motion, Orbital Speed and Orbital Period

 A distant star is orbited by several planets. Each planet has a circular orbit with a different radius. (a) Each planet orbits at constant spee...

2018 Summer

3

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) A distant star is orbited by several planets. Each planet has a circular orbit with a different radius. (i) Each planet orbits at constant speed....

2018 Summer

5

Theory

Orbital Motion, Orbital Speed and Orbital Period

 A geostationary satellite orbits the Earth. The orbit of the satellite is circular and the period of the orbit is 24 hours. (a) State two other...

2019 Winter

3

Theory

Orbital Motion, Orbital Speed and Orbital Period

The Earth may be assumed to be an isolated uniform sphere with its mass of $6.0 \times 10^{24} \text{ kg}$ concentrated at its centre. A satellite of ...

2021 Summer

4

Theory

Orbital Motion, Orbital Speed and Orbital Period

 An isolated planet is a uniform sphere of radius $3.39 \times 10^6$ m. Its mass of $6.42 \times 10^{23}$ kg may be considered to be a point mass...

2021 Summer

3

Theory

Orbital Motion, Orbital Speed and Orbital Period

A planet may be considered as a uniform sphere. A satellite is in circular orbit of period $T$ around the planet at a height $h$ above the surface. T...

2024 Winter

3

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) A satellite is in a circular orbit around a planet. The radius of the orbit is $R$ and the period of the orbit is $T$. The planet is a uniform sph...

2023 Summer

6

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) A star and a planet are isolated in space. The planet orbits the star in a circular orbit of radius $R$, as illustrated in Figure 1.1. The ang...

2013 Winter

4

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) Explain how a satellite may be in a circular orbit around a planet.[2] (b) The Earth and the Moon may be considered to be uniform spheres that ar...

2017 Summer

4

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which quantity with its unit is correct?

2016 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The luminosity $L$ of a star is given by $L = 4\pi r^2 \sigma T^4$ where $r$ is the radius of the star, $T$ is the temperature of the star, $\sig...

2016 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The diagram shows two vectors X and Y, drawn to scale. If X = Y − Z, which diagram best represents the vector Z?

2016 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

The diagram shows a cathode-ray oscilloscope (c.r.o.) being used to measure the rate of rotation of a flywheel.The flywheel has a small magnet M mount...

2016 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

A student determines the density $\rho$ of steel by taking measurements from a steel wire. mass $m = 6.2 \pm 0.1 \text{ g}$ length $l = 25.0 \pm 0.1 \...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The acceleration of free fall on the Moon is $1.6 \, \text{m}\,\text{s}^{-2}$. The Moon has no atmosphere. An astronaut standing on the surface of the...

2016 Summer

2

MCQ

CH3 - KINEMATICS

A tennis ball is released from rest at the top of a tall building. Which graph best represents the variation with time $t$ of the acceleration $a$ of ...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The graph shows how the velocity $v$ of an object moving in a straight line varies with time $t$ from $t = 0$ to $t = T$. Which graph represents th...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A ball falls vertically onto horizontal ground and rebounds, as shown. The ball has momentum $p_1$ downwards just before hitting the ground. After ...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A sphere falls from rest through the air. The graph shows the variation with time of the sphere’s velocity. Which diagram shows the forces ac...

2016 Summer

3