Find the speed of the package in Figure 7.4 at the end of the push, using work
Question:
Find the speed of the package in Figure 7.4 at the end of the push, using work and energy concepts.
Data given in Figure 7.4
Strategy
Here the work-energy theorem can be used, because we have just calculated the net work, Wnet, and the initial kinetic energy, 1/2mv02. These calculations allow us to find the final kinetic energy, 1/2mv2, and thus the final speed v.
Transcribed Image Text:
Fa 120 N app = m = 30.0 kg w N W f = 5.00 N d = 0.800 m
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