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 unit is not an SI base unit?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

What is the best estimate of the number of atoms in a piece of metal of volume 50 cm$^3$?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A copper pipe has a true diameter of 42.03 mm.A builder measures the diameter of the pipe five times using digital calipers. The measurements are show...

2023 Summer

3

MCQ

CH3 - KINEMATICS

Two forces, each of 10 N, act at a point P, as shown. The angle between the directions of the forces is 120°. What is the magnitude of the result...

2023 Summer

2

MCQ

CH3 - KINEMATICS

One object moves directly from P to R. In a shorter time, a second object moves from P to Q to R. Which statement about the two objects is correct...

2023 Summer

3

MCQ

CH3 - KINEMATICS

A ball is kicked so that it has an initial velocity of 12 m s⁻¹ at an angle of 50° to horizontal ground. Assume that air resistance is neg...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A camera drone of mass 1.20 kg hovers at a fixed point above the ground. The drone has four propellers. In a time of 1.00 s, each propeller pushes ...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A box rests on the Earth, as shown. Newton’s third law describes how forces of the same type act in pairs. One of the forces of a pair is the w...

2023 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A small ball is held at the surface of liquid oil in a container. The ball is released from rest and falls through the oil. The ball has velocity $v$....

2023 Summer

3

MCQ

CH4 - DYNAMICS

An object of mass $m$, moving at speed $u$ along a frictionless horizontal surface, collides head-on with a stationary object of mass $4m$. After t...

2023 Summer

2