Answer:
0.25m²
Explanation:
We know that the summation of forces in the vertical direction is zero
So
PA-mg=0
A=mg/p
So
Substituting
A= 75* 9.8/3*10^-3
=0.25m² which is the total shoe area
D, as the others will result in the likelihood of the particles colliding decreasing
Hope it helps))
Pressure
= Force/Area
Area = π(d^2)/4
= π(0.4^2)/4
=0.126 m2
Pressure
= 50/0.126
= 396.825 Pa
Answer:
Because plant means a life. Plants need foods and energy as same as human. So for a plant mostly need sun light and water.
They need water because water is collected through root of the plant and absorbed from the soil.
They need sun light because do the process of photosynthesis and plants need other gasses well as water and sun light for live and survive.
Explanation:
Hope i helped u...
There were 2 people
Tomas Edison
Joseph Swan
Tomas Edison invented the first practical incandescent lightbulb.
Sir Joseph Swan is most famous for his role in the development of the first incandescent lightbulb.
