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A Rope Is Towing a 100-Kg Rock, from Rest, with a Force

Question 36

Multiple Choice

A rope is towing a 100-kg rock, from rest, with a force that varies with time, as shown in Figure 6-4.
Figure 6-4
A rope is towing a 100-kg rock, from rest, with a force that varies with time, as shown in Figure 6-4. Figure 6-4 At the end of 8.0 s, the velocity of the rock is A) -20 m/s. B) +80 m/s. C) +40 m/s. D) +20 m/s. E) zero.
At the end of 8.0 s, the velocity of the rock is


A) -20 m/s.
B) +80 m/s.
C) +40 m/s.
D) +20 m/s.
E) zero.

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