Well she drove 30 more miles to the east than the west but I don’t understand what u are asking
Answer:
book on flat table
Explanation: the table pushes upward on the book while gravity pulls downward.
Pretty sure it is clockwise if I am not mistaken
Answer:
Explanation:
Given
mass of box is m
speed of box is v
coefficient of friction 
Box is moving at a constant speed i.e. Net Force on box is zero
i.e. Frictional Force and Force Applied are Equal

The Rate at which power is generated is



Answer:
Explanation:
The formula for this, the easy one, is
where No is the initial amount of the element, t is the time in years, and H is the half life. Filling in:
and simplifying a bit:
and
N = 48.0(.0625) so
N = 3 mg left after 12.3 years