In this lesson, we will learn the difference between distance-time and displacement-time graphs.
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Which of the following calculations can be used to work out speed?
Correct answer: distance divided by time
distance divided by time
distance multiplied by time
time divided by distance
time multiplied by distance
Q2.
Becky runs at 7 km/h for half an hour. How far does she run?
0.07 km
14 km
Correct answer: 3.5 km
3.5 km
7 km
Q3.
Ella cycles 18 miles in one and a half hours. What is her average speed in miles per hour?
0.083 miles per hour
Correct answer: 12 miles per hour
12 miles per hour
27 miles per hour
36 miles per hour
Q4.
A train travels 75 miles at an average speed of 25 mph. How long does the journey take?
1/3 of an hour
20 minutes
225 hours
Correct answer: 3 hours
3 hours
Q5.
On the first part of the journey a car travels 160 km in 3 hours. On the second part of the journey the car travels 140 km in 2 hours. What is the average speed of the car over the whole journey?