Theory

Orbital Motion, Orbital Speed and Orbital Period

The Earth may be considered to be a uniform sphere of radius $R$ equal to $6.4 \times 10^6$ m. A satellite is in a geostationary orbit. (a) Describe...

2009 Winter

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) Explain what is meant by a geostationary orbit .[3] (b) A satellite of mass $m$ is in a circular orbit about a planet. The mass $M$ of the planet...

2013 Summer

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

Theory

Orbital Motion, Orbital Speed and Orbital Period

The mass $M$ of a spherical planet may be assumed to be a point mass at the centre of the planet. (a) A stone, travelling at speed $v$, is in a circ...

2014 Summer

Theory

Orbital Motion, Orbital Speed and Orbital Period

A binary star consists of two stars A and B that orbit one another, as illustrated in Fig. 1.1. The stars are in circular orbits with the centres o...

2016 Summer

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

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) Explain why, for changes in vertical position of a point mass near the Earth’s surface, the  gravitational field strength may be consid...

2017 Winter

Theory

Orbital Motion, Orbital Speed and Orbital Period

(a) Explain why, for changes in vertical position of a point mass near the Earth's surface, the gravitational field strength may be considered to be c...

2017 Winter

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

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

Theory

CH2 - MEASUREMENT TECHNIQUES

(a) State the most appropriate instrument, or instruments, for the measurement of the following. (i) the diameter of a wire of diameter about 1 mm [1...

2009 Summer

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

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Define the $\emph{torque}$ of a couple.   [2] (b) A torque wrench is a type of spanner for tightening a nut and bolt to a particular to...

2009 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

A spring having spring constant $k$ hangs vertically from a fixed point. A load of weight $L$, when hung from the spring, causes an extension $e$. The...

2009 Summer

Theory

CH15 - SUPERPOSITION

Two sources $S_1$ and $S_2$ of sound are situated 80 cm apart in air, as shown in Fig. 5.1. The frequency of vibration can be varied. The two sourc...

2009 Summer

Theory

CH17 - ELECTRIC FIELDS

Two vertical parallel metal plates are situated 2.50 cm apart in a vacuum. The potential difference between the plates is 350V, as shown in Fig. 6.1.A...

2009 Summer

Theory

CH20 - D.C. CIRCUITS

A network of resistors, each of resistance $R$, is shown in Fig. 7.1.(a) Calculate the total resistance, in terms of $R$, between points(i) A and C,re...

2009 Summer

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

The spontaneous and random decay of a radioactive substance involves the emission of either $\alpha$-radiation or $\beta$-radiation and/or $\gamma$-ra...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate how the current in a circuit depends on the arrangement of resistors within the circuit. You have been provide...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate the angle of tilt of a bottle when it contains different amounts of water. (a) (i) Use the water supplied to ...

2009 Summer