A 1.0 x 10^2-kilogram box rests on the bed of a truck that is accelerating at 2.0 meters per
second^2
.
What is the magnitude of the force of
friction on the box as it moves with the truck
without slipping?

1) 1.0 x 103

N 3) 5.0 x 102
N

2) 2.0 x 102

N 4) 0.0 N

Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)