1. Bart runs up a 2.91-meter high flight of stairs at a constant speed in 2.15 seconds, If Bart's mass is 65.9 kg, determine the work which he did and his power rating. PSYW

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 60PE: Integrated Concepts (a) Calculate the force the woman in Figure 7.46 exerts to do a push-up at...
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10
BIUA.
D 田 ▼
2
3
5.
1. Bart runs up a 2.91-meter high flight of stairs at a constant speed in 2.15 seconds, If Bart's mass is
65.9 kg, determine the work which he did and his power rating. PSYW
2. On a recent adventure trip, Anita Break went rock-climbing. Anita was able to steadily lift her 80.0-
kg body 20.0 meters in 100 seconds. Determine Anita 's power rating during this portion of the
climb. PSYW
cm
3. A physics teacher owns a
family of squirrels. The
squirrels have been trained to
do push-ups in repetitive
fashion. Being connected to an
electrical generator, their
ongoing exercise is used to help
power the home. There are 23 squirrels in the family and their average mass is 1.1 kg. They do
work on the "up" part of the push-up, raising their body an average distance of 5.0 cm. If the
squirrels average 71 push-ups per minute, then determine the total amount of work done in
one minute and the power generated by their activity. PSYW
Transcribed Image Text:ormat Tools Add-ons Help Accessibility Last edit was seconds ago Normal text Palatino 10 BIUA. D 田 ▼ 2 3 5. 1. Bart runs up a 2.91-meter high flight of stairs at a constant speed in 2.15 seconds, If Bart's mass is 65.9 kg, determine the work which he did and his power rating. PSYW 2. On a recent adventure trip, Anita Break went rock-climbing. Anita was able to steadily lift her 80.0- kg body 20.0 meters in 100 seconds. Determine Anita 's power rating during this portion of the climb. PSYW cm 3. A physics teacher owns a family of squirrels. The squirrels have been trained to do push-ups in repetitive fashion. Being connected to an electrical generator, their ongoing exercise is used to help power the home. There are 23 squirrels in the family and their average mass is 1.1 kg. They do work on the "up" part of the push-up, raising their body an average distance of 5.0 cm. If the squirrels average 71 push-ups per minute, then determine the total amount of work done in one minute and the power generated by their activity. PSYW
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