Question

8. A metal piece has a density of 11.3 kg/m². If its mass is 226 kg, find its volume.
9. What is the mass of air filled in a closed room measuring 12 m x 12 m x 10 m, if the density of the a
is 1.3 kg/m?
10. A cyclist is driving at a speed of 12 m/s. In how much time, will he cover a distance of 900 m?
11. A train is running at a speed of 90 km/h. In how much time, will it cross the distance between two
stations, 7.5 km apart?
12. A car is moving at a speed of 54 km/h. How much distance will the car cover in 10 minutes?​

Answer 1

Answer:

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Answer 2

Answer:

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