Answer:
900kJ
Explanation:
Work done hereis lifting that water mass on to the surface level
v = volume of the tank
d= density of water (1000kg/m3)
g = gravotational acceleration
workdone=Weight * distance
= (v*d*g)*distance
=
Yes. The person's density would be the same in both places.
Density = mass / volume.
Neither of those quantities is affected by gravity (within reason).
Answer:
4.808m
Explanation:
Force is given as:
F = ma
Since the force is a frictional force,
Fr = F
Fr = ma
Frictional force, Fr, is given as:
-umg = ma
a = -ug = -0.13 * 9.8 = -1.274 m/s²
Using one of the equations of motion, we can find the distance:
v² = u² + 2as
Since the box comes to a halt, v = 0m/s:
0 = u² + 2as
s = -u²/2a
s = -(-3.5²)/(2 * 1.274) = 4.808m
Answer : The rocks and debris would never accrete into a planet.
Explanation : Gravity is an attraction force and dependents on the mass of the objects but in the absence of the force the rocks and debris would not come together to form a clump.
So, we can say that in the absence of gravity, the rock and debris would never accrete into a planet.