Recent questions in Physics Form 3

0 votes

3 answers

define a free fall

asked Oct 6, 2021 in Physics Form 3 by kigamwa

0 votes

0 answers

A ball of mass 600g falls from a height of 16m and bounces back to a height of 10m. Calculate the amount of sound energy produced (Assume no other energy losses)

asked Oct 2, 2021 in Physics Form 3 by furtik

0 votes

2 answers

Describe the hazards of air pollution by sulphur (IV) oxide.

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

Given that the refractive index of diamond is 2.42 and the velocity of light in air 3.0 X 108 m/s,calculate the velocity of light in diamond.

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

Define the term total internal reflection as used in refraction

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

2 answers

What is dispersion of light?

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

2 answers

State the laws of refraction

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

Give one difference between limiting and dynamic forces of friction

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

Explain why it is easier to ride a bicycle round a bend on a road if the surface is dry than when it is wet

asked Aug 23, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

A motorcycle accelerates from 8m/s to 20m/s in 10seconds. What distance does it cover in this time

asked Aug 20, 2021 in Physics Form 3 by anony mous

0 votes

1 answer

State the law of conservation of energy.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

A car tyre is at pressure of 5.0x105 Pa at a temperature of 37℃. While it is running the temperature rises to 75℃. What is the new tyre pressure?(Assume the tyre does not expand)

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

The figure below shows a set up used to verify pressure law.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

Explain how a gas exerts pressure.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

State the pressure law;

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

The figure below shows a force distance graph for a car being towed on a level ground.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

A ball is dropped from the top of a vertical cliff 45m high. Given that the velocity just before striking the sandy beach is 30m/s, and the ball penetrate the sand to a depth of 10cm determine its average retardation.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

Water of mass 3kg initially at 20℃ is heated in an electric kettle rated 3.0kW. Thewater is heated until it boils at 100℃. Taking specific heat capacity of water=4200Jkg/K, heat capacity of kettle=450J/kg, specific latent heat of vapourisation of water =2.3MJ/kg, calculate;

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

Distinguish between angular and linear velocity.

asked Aug 18, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

A car of mass 2000kg travelling at 5ms−1 collides with a minibus of mass 5000kg travelling in the opposite direction at 7ms−1. The vehicles stick and move together after collision. If the collision lasts for 0.1seconds;

asked Aug 5, 2021 in Physics Form 3 by anony mous

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