The second drawing shows a situation when a larger force is applied to the box than the force of friction. The result is that the box

A. moves to the left.

B. moves right then left.

C. does not move.

D. moves to the right.

B

Explanation:

because they are moving at the same direction

1. a tropical dry forest carries out more rapid nutrient cycling

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.