A 3.50-kg block is pulled along a moving conveyor belt at a constant speed of 0.500 m/s relative to a stationary observer while the belt moves at a constant speed of 0.200 m/s in the same direction. If the coefficient of kinetic friction is 0.400, the magnitude of the mechanical energy dissipated, in J, caused by the force of friction on the block in 8.00 s is
a. 5.6.
b. 22.0.
c. 32.9.
d. 54.8.
e. 76.8.
c
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Answer the following statement true (T) or false (F)
The oceanic conveyor is often referred to as thermohaline circulation. Explain why this is an appropriate name
What will be an ideal response?
Somewhere between the Earth and the Moon is a point where the gravitational attraction of the Earth is canceled by the gravitational pull of the Moon. The mass of the Moon is 1/81 that of the Earth. How far from the center of the Earth is this point?
a. 8/9 the way to the Moon c. 3/4 the way to the Moon b. 9/10 the way to the Moon d. 80/81 the way to the Moon
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