Answer:
Explanation: pressure = force / area
Rearrange to get: force = pressure x area. 900 cm2 = 0.09 m2
force = 90 x 0.09
= 8.1 N
I think Jupiter
Make as a abRainlist
Answer:
False
Explanation:
It depends on the density of an object, not the wight.
Answer:
If I remember right I believe it's radio waves
