6m/s d=10m 2m/s 37 A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the incline with speed 6m/s in 25 sec, as shown in the figure. If the coefficient of the kinetic friction between the car and the incline is 0.7, what is the average power (in kW) done by the engine of the car? (Use g=10m/s², Sin37=0.6 and Cos37=0.8) Question 4 / 13 60 m

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Chapter5: Energy
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6m/s
d=10m
2m/s
37
A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the incline with speed 6m/s in
25 sec, as shown in the figure. If the coefficient of the kinetic friction between the car and the incline is 0.7,
what is the average power (in kW) done by the engine of the car? (Use g=10m/s, Sin37=0.6 and Cos37=0.8)
Question 4 / 13
60 m
Transcribed Image Text:6m/s d=10m 2m/s 37 A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the incline with speed 6m/s in 25 sec, as shown in the figure. If the coefficient of the kinetic friction between the car and the incline is 0.7, what is the average power (in kW) done by the engine of the car? (Use g=10m/s, Sin37=0.6 and Cos37=0.8) Question 4 / 13 60 m
A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the incline with speed 6m/s in
25 sec, as shown in the figure. If the coefficient of the kinetic friction between the car and the incline is 0.7,
what is the average power (in kW) done by the engine of the car? (Use g=10m/s², Sin37=0.6 and Cos37=0.8)
1. 043.84
2. 047.04
3. O50.24
4. O53.44
5. O55.04
Transcribed Image Text:A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the incline with speed 6m/s in 25 sec, as shown in the figure. If the coefficient of the kinetic friction between the car and the incline is 0.7, what is the average power (in kW) done by the engine of the car? (Use g=10m/s², Sin37=0.6 and Cos37=0.8) 1. 043.84 2. 047.04 3. O50.24 4. O53.44 5. O55.04
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