Answer:
1.75atm
Explanation:
According to Boyle's law, the pressure P of a fixed mass of gas is inversely proportional to it's volume V provided that the temperature remains constant.

This implies the following;
Provided temperature is kept constant.
Given;

From equation (1), we can write;

Since all the units are consistent, there is no need for conversion.
Answer:
Nil
Explanation:
Sound is a wave whose speed depends on the medium it is traveling in. Sound wave travel faster in water as compared to air. In water the speed of sound wave is around 1480 m/sec whereas in air it is around 343 m/sec.
Since Nil is underwater he will hear the sound of the explosion first. But, the quality of sound will be better for John. This is because humans have evolved to listen in the air and not water. So the sound will not be clear to Nil underwater.
The earth spins around the sun. <span>The side facing away is cooler and darker, and experiences </span>night<span>.</span>
Answer:
True
Explanation:
Assuming no wind resistance, there will be no horizontal acceleration, because there will be no forces acting on it.
Answer:
B: Only the ball experiences no resistive force to its state of motion.