It takes 40 J to push a large box 4 m across a floor. Assuming the push is in the same direction as the move, what is the magnitude of the force on the box?
A) 4 N
B) 10 N
C) 40 N
D) 160 N
E) none of the above
B
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At night, when the weather is extremely cold and dry,
a. atmospheric pressure increases with increasing altitude. b. atmospheric pressure remains constant with increasing altitude. c. atmospheric pressure decreases with increasing altitude. d. atmospheric pressure first increases, then decreases with increasing altitude.
Detrital sedimentary rocks can undergo lithification by ____
A)precipitation B)transpiration C)dissolution D)cementation E)evaporation
Coral bleaching results from an influx of extraordinarily cold water into the coral reef. ?
Answer the following statement true (T) or false (F)
The crude birth rate is the number of live births per ____ persons in a given year.
A. 50 B. 100 C. 500 D. 1,000 E. 100,000