Different Speeds Quiz

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Speed basics and calculations

Créé par

Joan Ouma

Australia

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Different Speeds Quiz


Different Speeds QuizVersion en ligne Speed basics and calculations par Joan Ouma 1 What is the average speed of an object? a The speed at a particular instant. b The average distance travelled each second (m/s). It is a scalar quantity. c The speed that includes direction. d The total distance travelled divided by time only at the start. 2 What is the instantaneous speed of an object? a The total distance travelled divided by time. b The speed at the end of a journey. c The average speed over a journey. d The speed at a particular instant. 3 Which of the following is a scalar quantity? a A quantity that changes with time. b A vector quantity that includes direction. c A quantity that has both magnitude and direction. d A quantity that has magnitude only (size). 4 Which equation correctly defines distance travelled for motion at constant speed? a distance travelled = time ÷ speed b distance travelled = speed × time c distance travelled = speed + time d distance travelled = speed ÷ time 5 If you know distance and speed, how do you find time? a time = distance ÷ speed b time = speed × distance c time = speed ÷ distance d time = distance × speed 6 How far will a speedboat travel if it goes 6.0 m/s for 25 s? a 150 m b 60 m c 300 m d 125 m 7 What is the speed formula for finding speed when distance and time are known? a speed = time ÷ distance b speed = distance × time c speed = time × distance d speed = distance ÷ time 8 In the lightning and thunder example, what is the approximate speed of sound in air? a 500 m/s b 660 m/s c 330 m/s d 150 m/s 9 What assumption is made when estimating the speed of sound using lightning and thunder? a The distance to the lightning is unknown. b The sound travels at the same speed as light. c Thunder travels faster than light. d The flash of light reaches the observer instantly. 10 If a car travels a 4.0 km track for 17 minutes and ends at the start, what is its average speed in m/s (Task B)? a 30 m/s b 44 m/s c 39 m/s d 36 m/s

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Different Speeds Quiz

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Different Speeds QuizVersion en ligne

par Joan Ouma

What is the average speed of an object?

What is the instantaneous speed of an object?

Which of the following is a scalar quantity?

Which equation correctly defines distance travelled for motion at constant speed?

If you know distance and speed, how do you find time?

How far will a speedboat travel if it goes 6.0 m/s for 25 s?

What is the speed formula for finding speed when distance and time are known?

In the lightning and thunder example, what is the approximate speed of sound in air?

What assumption is made when estimating the speed of sound using lightning and thunder?

If a car travels a 4.0 km track for 17 minutes and ends at the start, what is its average speed in m/s (Task B)?