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Test: Speed and average speed - Year 8 MCQ


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10 Questions MCQ Test Year 8 Physics (Cambridge) - Test: Speed and average speed

Test: Speed and average speed for Year 8 2024 is part of Year 8 Physics (Cambridge) preparation. The Test: Speed and average speed questions and answers have been prepared according to the Year 8 exam syllabus.The Test: Speed and average speed MCQs are made for Year 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Speed and average speed below.
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Test: Speed and average speed - Question 1

The speed of an athlete who runs 200 metres in 20 seconds is .......

Detailed Solution for Test: Speed and average speed - Question 1

Speed is calculated by dividing the distance traveled by the time taken. For the athlete:

Therefore, the speed of the athlete is 10 metres per second.

Test: Speed and average speed - Question 2

It takes an hour to walk 1,800 metres up a steep hill. The speed in m/s is .......

Detailed Solution for Test: Speed and average speed - Question 2
1 hour = 60 minutes = 3,600 seconds so speed = 1,800/3,600 = 0.5 m/s
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Test: Speed and average speed - Question 3

A bus takes 2 hours to travel 40,000 metres. The average speed of the bus in km/h is .......

Detailed Solution for Test: Speed and average speed - Question 3
40,000 m = 40 km so speed = 40/2 = 20 km/h
Test: Speed and average speed - Question 4

The average speed of a car which takes 2 hours to travel 160 km is .......

Detailed Solution for Test: Speed and average speed - Question 4

Average speed is calculated by dividing the total distance traveled by the total time taken. For the car:

Therefore, the average speed of the car is 80 kilometres per hour.

Test: Speed and average speed - Question 5

A car travels 20 km in 12 minutes. The speed in km/h is .......

Detailed Solution for Test: Speed and average speed - Question 5

12 minutes = 12/60 = 0.2 hours so 20 km/0.2 h = 100 km/h

Test: Speed and average speed - Question 6

Which of the following correctly defines speed?

Detailed Solution for Test: Speed and average speed - Question 6

Speed (option A) is defined as the distance traveled divided by the time taken to travel that distance. Option B describes time, option C describes velocity, and option D describes energy, none of which accurately define speed.

Test: Speed and average speed - Question 7
A child walks 90 metres in 3 minutes. The speed in m/s is .......
Detailed Solution for Test: Speed and average speed - Question 7
3 minutes = 180 seconds so speed = 90/180 = 0.5 m/s
Test: Speed and average speed - Question 8

A car travels 120 kilometers in 2 hours. What is its speed in kilometers per hour (km/h)?

Detailed Solution for Test: Speed and average speed - Question 8

Speed = Distance / Time. In this case, Speed = 120 km / 2 hours = 60 km/h.

Test: Speed and average speed - Question 9
The speed of a cyclist who rides 300 metres in 25 seconds is .......
Detailed Solution for Test: Speed and average speed - Question 9
300 m/25 s = 12 m/s
Test: Speed and average speed - Question 10

Which situation represents the highest speed?

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