Answer:
Weight, W = 125 N
Explanation:
Pressure, P = 5 Pa
Area, A = 25 m²
We need to find how much must a man weigh (force) if the pressure he exerts while standing on one foot which has an area of 25 m² exerts a pressure of 5 Pa. So,
Pressure = force/area
So,
So, the weight of the man is 125 N.
Answer:
Heating a substance causes molecules to speed up and spread slightly further apart, occupying a larger volume that results in a decrease in density. ... Hot water is less dense and will float on room-temperature water. Cold water is more dense and will sink in room-temperature water.
Explanation:
It can begin as a small sore, scaly skin, or a rash. Then it often spreads, itches, or burns.
If you're experiencing any of these symptoms, you may have a fungal infection. The infections can affect anyone, but if you (or your children) play sports or are engaged regularly in other physical activities, your chance of contracting these is higher.
