Figure 4 Positive direction Positive direction Chris Richard Katherine crate Richard and Katherine watched as Chris did some work by pushing a crate. In Richard's coordinate system, the positive direction pointed to the right. In Katherine's coordinate system, the positive direction pointed to the left. Chris and the crate moved, while Richard and Katherine remained at rest.

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Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 13CQ: Consider the following scenario. A car for which friction is not negligible accelerates from rest...
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Figure 4
Positive
Positive
direction
direction
Chris
Richard
Katherine
crate
Richard and Katherine watched as Chris did some work
by pushing a crate. In Richard's coordinate system, the
positive direction pointed to the right. In Katherine's
coordinate system, the positive direction pointed to the
left. Chris and the crate moved, while Richard and
Katherine remained at rest.
Richard correctly calculated the work that Chris did on
the crate according to Richard's coordinate system. He
found that Chris did positive 2700 joules. Katherine
correctly calculated the work that Chris did on the crate
according to Katherine's coordinate system. What
value did Katherine calculate the work to be?
O Zero joules.
O Less than negative 2700 joules.
O Negative 2700 joules.
O Between zero an d negative 2700 joules.
Between zero and positive 2700 joules.
O More than positive 2700 joules.
O Positive 2700 joules.
Transcribed Image Text:Figure 4 Positive Positive direction direction Chris Richard Katherine crate Richard and Katherine watched as Chris did some work by pushing a crate. In Richard's coordinate system, the positive direction pointed to the right. In Katherine's coordinate system, the positive direction pointed to the left. Chris and the crate moved, while Richard and Katherine remained at rest. Richard correctly calculated the work that Chris did on the crate according to Richard's coordinate system. He found that Chris did positive 2700 joules. Katherine correctly calculated the work that Chris did on the crate according to Katherine's coordinate system. What value did Katherine calculate the work to be? O Zero joules. O Less than negative 2700 joules. O Negative 2700 joules. O Between zero an d negative 2700 joules. Between zero and positive 2700 joules. O More than positive 2700 joules. O Positive 2700 joules.
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