Name:_________________________ Date:_______________

Speed(4.2)

Solve the problems below.

1. A cheetah runs 100 metres in 3.5 seconds. A man runs the same distance in 10 seconds. During a 100 metre race, when the cheetah crossed the finishing line, how far back was the man?

2. A car travelled at a speed of 90 km/h. It left Town Ponpon at 11.00 a.m. What time will it reach Town Dondon which is 255 km away?

3. Joel left school at 6.30 p.m. to walk home. He walked at an average speed of 60 m/min. Along the way, he stopped at a shop for 15 minutes. He arrived home at 7:25 p.m. What is the distance between his house and the school?

4. Sunny drove from Town A to Town B at an average speed of 70 km/h. He took one and a half hour to reach Town B. From Town B to Town C he increased his speed by 50%. The distance from Town B to Town C is twice the distance from Town A to Town B. What was his average speed from Town A to Town C?

5. During a car speed test, a distance of 800 metres was covered in 25 seconds. What was the speed in km/h?

6. The children cycled between Camp A and Camp B which are 500 m apart in 50 seconds. If they wanted to reduce the time to 40 seconds, what is the increase in speed?

7. Rose's average speed for a 45 km journey was 75 km/h. She took 21 minutes for the first of her journey. What was her speed for the last of the journey?

8. Michael travelled of his journey at 50 km/h. The next of his journey he travelled at 40 km/h. The remaining 40 km he covered in half an hour. How much time did he take for the whole journey?

9. A train departed Singapore at 10.40 a.m. and arrived in Malacca, 250 km away, at 2.00 p.m.. Along the way, it made 5 stops of 10 minutes each. Albert left Singapore in his car at the same time as the train and arrived in Malacca also at the same time but without stopping. How much faster was the train's average speed compared to that of Albert's car?

10. A woman fell from the top of a building 280 metres tall. 3 seconds later, Superman jumped off the top of the same building to save her. It took Superman 2 seconds to rescue her just before she hit the ground. What was Superman's average speed?

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