Question

Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 820 N is applied to box A. Starting from rest, box B descends 12.8 m in 4.30 s. The tension in the rope connecting the two boxes is 40.0 N (Figure 1) Figure Part A What is the mass of box B? Express your answer with the appropriate units. $m_B =$ Part B What is the mass of box A? Express your answer with the appropriate units. $m_A =$

          Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 820 N is applied to box A. Starting from rest, box B descends 12.8 m in 4.30 s. The tension in the rope connecting the two boxes is 40.0 N (Figure 1)
Figure
Part A
What is the mass of box B?
Express your answer with the appropriate units.
$m_B =$
Part B
What is the mass of box A?
Express your answer with the appropriate units.
$m_A =$

Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 820 N is applied to box A. Starting from rest, box B descends 12.8 m in 4.30 s. The tension in the rope connecting the two boxes is 40.0 N (Figure 1)
Figure
Part A
What is the mass of box B?
Express your answer with the appropriate units.
mB =
Part B
What is the mass of box A?
Express your answer with the appropriate units.
mA =

Added by Austin T.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

03/14/2023

Step 1

The equation is: \[ s = ut + \frac{1}{2}at^2 \] where s is the distance (12.8 m), u is the initial velocity (0 m/s), t is the time (4.30 s), and a is the acceleration. Show more…

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Physics 101 Chapter 4 Problem Two boxes, A and B, are connected to each end of a light vertical rope as shown in the following figure. A constant upward force N is applied to box A. Starting from rest, box B descends 12.8 m in 4.30 s. The tension in the rope connecting the two boxes is 40.0 N. Figure 1 of 1 F A B Part A What is the mass of box A? Express your answer with the appropriate units. Value Units Request Answer Part B What is the mass of box A? Express your answer with the appropriate units. Value Units