Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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2730 questions · page 20 of 137 · choose a topic above to narrow them down

SA-9702-FD2-0022 marksL1 FoundationCalculatorPressure

Calculate the pressure due to water at a depth of

15

m, in kPa. (

\rho=1000

kg m⁻³,

g=9.81

m s⁻²)

Salam Academy Original Practice · Proposed mark scheme

SA-9702-FD2-0031 markL1 FoundationCalculatorPressure

Atmospheric pressure is

101

kPa. Calculate the total pressure at a depth of

15

m in water (

147

kPa due to water).

Salam Academy Original Practice · Proposed mark scheme

SA-9702-FD2-0042 marksL1 FoundationCalculatorUpthrust

An object of volume

2.0\times10^{-3}

m³ is fully submerged in water (

\rho=1000

kg m⁻³). Calculate the upthrust. (

g=9.81

m s⁻²)

Salam Academy Original Practice · Proposed mark scheme

SA-9702-GF1-0031 markL1 FoundationCalculatorField strength

Gravitational field strength at a point is defined as

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SA-9702-GF1-0041 markL1 FoundationCalculatorField strength

g

at Earth's surface is

9.81

N kg⁻¹. Calculate

g

at a distance of

2R

from Earth's centre, where

R

is Earth's radius.

Salam Academy Original Practice · Proposed mark scheme

SA-9702-GF1-0051 markL1 FoundationCalculatorLaw of gravitation

The distance between two masses is tripled. State the factor by which the gravitational force changes, as a decimal.

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SA-9702-GF2-0031 markL1 FoundationCalculatorGravitational potential

Gravitational potential at a point is defined as

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SA-9702-GF2-0051 markL1 FoundationCalculatorOrbits

A geostationary satellite has a period of

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SA-9702-IG1-0021 markL1 FoundationCalculatorIdeal gas equation

A sealed rigid cylinder holds gas at

200

kPa and

27

°C. It's heated to

127

°C. Calculate the new pressure.

Salam Academy Original Practice · Proposed mark scheme

SA-9702-IG1-0031 markL1 FoundationCalculatorIdeal gas equation

A gas at constant temperature is compressed from

3.0

litres at

100

kPa to

1.2

litres. Calculate the new pressure.

Salam Academy Original Practice · Proposed mark scheme

SA-9702-IG1-0041 markL1 FoundationCalculatorThe mole

Calculate the number of molecules in

2.5

mol of gas, in units of

10^{24}

. (

N_A=6.02\times10^{23}

mol⁻¹)

Salam Academy Original Practice · Proposed mark scheme

SA-9702-IG2-0012 marksL1 FoundationCalculatorMolecular kinetic energy

Calculate the mean translational kinetic energy of a gas molecule at

300

K, in units of

10^{-21}

J. (

k=1.38\times10^{-23}

J K⁻¹)

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SA-9702-IG2-0031 markL1 FoundationCalculatorKinetic model

Which is not an assumption of the kinetic theory of gases?

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SA-9702-IG2-0041 markL1 FoundationCalculatorMolecular kinetic energy

The thermodynamic temperature of a gas is doubled. State the factor by which the r.m.s. speed increases.

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SA-9702-KN1-0012 marksL1 FoundationCalculatorSUVAT

A car accelerates uniformly from rest at

2.5

m s⁻² for

8.0

s. Calculate its final speed.

Salam Academy Original Practice · Proposed mark scheme

SA-9702-KN1-0022 marksL1 FoundationCalculatorSUVAT

For the same car (from rest,

2.5

m s⁻² for

8.0

s), calculate the distance travelled.

Salam Academy Original Practice · Proposed mark scheme

SA-9702-KN2-0012 marksL1 FoundationCalculatorHorizontal launch

A ball rolls off a horizontal table

1.25

m high at

3.0

m s⁻¹. Calculate the time it takes to reach the floor. (

g=9.81

m s⁻²)

Salam Academy Original Practice · Proposed mark scheme

SA-9702-KN2-0021 markL1 FoundationCalculatorHorizontal launch

The ball (speed

3.0

m s⁻¹, time of fall

0.505

s) lands how far from the foot of the table?

Salam Academy Original Practice · Proposed mark scheme

SA-9702-KN2-0031 markL1 FoundationCalculatorHorizontal launch

Ignoring air resistance, the horizontal component of a projectile's velocity

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SA-9702-KN2-0041 markL1 FoundationCalculatorAngled launch

At the highest point of its path, a projectile's acceleration is

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