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
=
5m
Explanation:
Given parameters:
Energy = 35J
Force on object = 7N
Unknown:
Distance moved = ?
Solution:
The energy on the car will cause the car to do work . When work is done, a force moves a body in particular distance. We can see that energy and force are related:
Energy = force x distance
Distance =
Inputting the parameters:
Distance = = 5m
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Answer:
16 / 4 = ratio of diameters
A = pi r^2
A16 / A4 = pi * 8^2 / (pi 2^2) = 16
The light gathering power would increase by a factor of 16
Answer
30 mi/gal * (1.61 km / mi ) / (3.78 L/gal) = 30 * .426 km/L = 12.8 km/L
Answer:
12,750
Explanation:
P = mv
Momentum = Mass x Velocity
Plug it in and finish equation