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Kilo means thousand.
For example:
Kilometer means a thousand meters.
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Answer:
∴The air cannot be made to flow in with the given pump at the given conditions.
Explanation:
Given:
- gauge pressure of bicycle tyre,
- length of cylinder of the pump,
- area of the the cylinder of the pump,
- we have the density of air at STP,
The piston must be pushed more than the pressure inside the tyre:
∴The air cannot be made to flow in with the given pump at the given conditions.
Chemical because when you eat, the food give off a chemical bond
Answer:
Magnitude = 55
Quantity = Speed
Explanation:
We are told that the speed is 55 mph. This implies that the magnitude is 55 while the unit is mph.
Also, physical quantities are usually things that can be measured such as distance, voltage, temperature e.t.c