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7 questions
The table below shows the time taken for each of three cars to travel 100 m. Circle the name of the fastest car.
Complete the table by calculating the speed of each car. Give your answers in m/s and to one decimal place.
A jet aircraft travels 1200 km in 1 h 20 min.
a. How many metres does it travel ?
b. For how many minutes does it travel ?
c. And for how many seconds ?
Calculate the average speed of the jet in part c during its flight. Give your answer in m/s.
A stone falls 20 m in 2.0 s. Calculate its average speed as it falls
The stone falls a further 25 m in the next 1.0s of its fall. Calculate the stone's average speed during the 3s of its fall
Explain why we can only calculate the stone's average speed during its fall
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