Answer:
to go 20 m/s means that the body travels 20 metres of distance in each second.
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Answer:
burn
Explanation:
when it Burns it turns into ash
D.) Because it has a definite composition...
Answer:
0.05081 kg
Explanation:
= Mass of blood
= 0.435 m/s
= Mass of subject and pallet = 54 kg
= Velocity of subject and pallet = 
In this system the linear momentum is conserved so,

The mass of blood is 0.05081 kg
Answer:
Pressure
Explanation:
The measure of how much force is applied to an object from gas particle bouncing into it is called pressure.
Pressure is defined as the force per unit area on a body.
Mathematically;
Pressure = 
The pressure of a gas is the combined force with which gas molecules bombard a unit area of the wall of the container. It is the sum of all tiny pushes on the wall of the container.
Various units of pressure are atm, mmHg, torr, pascal e.t.c