you need G, grav constant, here.
F=GMmoonMEllen/R^2
all other numbers given ... calculate ...
Answer:
The rate at which work is done is power
Answer: The area of brick in contact with the floor is 1539 .
Explanation:
Given: Length = 19 cm
Width = 9 cm
Height = 9 cm
As the brick is rectangular in shape. Hence, its area will be calculated as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that area of brick in contact with the floor is 1539 .
The potential of electrons in a circuit can be increased by the action of a battery.