EASY
AS and A Level
IMPORTANT
Earn 100

The speed of light is 3.00×108 m s-1 to 3 significant figures. The average distance between the Earth and the Sun is 150 million km to 3 significant figures. Find how long it takes for light from the Sun to reach the Earth on average. Give the answer in minutes and seconds.

Important Questions on Velocity and Acceleration

EASY
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 5
The land speed record was set in 1997 at 1223.657 km h-1. Find how long in seconds it took to cover 1 km when the record was set.
MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 6

A runner runs at 5 m s-1 for 7 s before increasing the pace to 7 m s-1 for the next  13 s.

Find her average speed.

MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 6

A runner runs at 5 m s-1 for 7 s before increasing the pace to 7 m s-1 for the next  13 s.

What assumptions have been made to answer the question?

MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 8
A speed skater averages 11 m s-1 over the first 5 s of a race. Find the average speed required over the next 10 s to average 12 m s-1 overall.
MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 9
The speed of sound in wood is 3300 m s-1 and the speed of sound in air is 330 m s-1. A hammer hits one end of a 33 m long plank of wood. Find the difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air.
MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 10
An exercise routine involves a mixture of jogging at 4 m s-1 and sprinting at 7 m s-1. An athlete covers 1 km in 3 minutes and 10 seconds. Find how long she spent sprinting.
MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 11
Two cars are racing over the same distance. They start at the same time, but one finishes 8 s before the other. The faster one averaged 45 m s-1 and the slower one averaged 44 m s-1. Find the length of the race.
MEDIUM
AS and A Level
IMPORTANT
Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 1 - Velocity and Acceleration>EXERCISE 1A>Q 12
Two air hockey pucks are 2 m apart. One is struck and moves directly towards the other at 1.3 m s-1. The other is struck 0.2 s later and moves directly towards the first at 1.7 m s-1. Find how far the first puck has moved when the collision occurs and how long it has been moving for.