7. A 250 kg dragster accelerates from rest to a final speed of 100 m/s in 500 m and encounters an average frictional force of 800 N. What is its average power output in watts if this takes 9.50 s? Ans:173684 Power-Energ1 time 13D

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Seems easy enough but not getting the correct answer 173684

7. A 250 kg dragster accelerates from rest to a final speed of 100 m/s in 500 m and
encounters an average frictional force of 800 N. What is its average power output
in watts if this takes 9.50 s?
Ans:173684
Power-Energ1
time
13D
Transcribed Image Text:7. A 250 kg dragster accelerates from rest to a final speed of 100 m/s in 500 m and encounters an average frictional force of 800 N. What is its average power output in watts if this takes 9.50 s? Ans:173684 Power-Energ1 time 13D
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