Question

❄️ Physics Exercise : -
1. A piece of metal has a mass of 89 g. When it is put in a measuring jar containing water the level of water rises from 60 cubic cm to 70 cubic cm .What is the density of the metal?
2. The mercury contained in the bulb of a thermometer weighs 6.8 grams. Calculate its volume ,if the density of mercury is 13.6 gram per cubic centimetre.
3. Block of metal has a mass of 624 kg and a volume of 80 cubic m . What is the density of the metal ?
4. A person crosses a 20 m wide street in 5 seconds. What is his speed?
5. An aeroplane covers a certain distance at a speed of 240 km in 5 hours. Calculate the distance covered by the aeroplane.​

Answer 1

Answer:

sorry idont know sorry I don't know

Answer 2

Answer:

please ask one & one question.

please request my friend I can't give so much answer .