Homework Answers
Solution)
Given,
Time, t=0.039 s
We know, angular velocity, w=2pi/t
Substitute values, w=2pi/0.039=161.02 rpm (Ans)
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Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. % AXO ? Submit Request Answer Part 3 What is the frequency of the engine? Express your answer using two significant figures. V AEO ? Submit Request Answer Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). 180 AE ROO? Submit Request Answer Part If you change the period of the engine to...
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You rev your car's engine to 2800 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. What is the frequency of the engine? Express your answer using two significant figures. If you change the period of the engine to 0.043 s, how many rpms is it doing? Express your answer using two significant figures.
A pump delivers 200 gal/min when operating at 1770 rev/min to supply a total head of 80 ft. Part A If the flow is held constant but the head is increased to 210 ft, determine the speed at which a substitute pump should operate and yet provide the same efficiency Express your answer using three significant figures. 2860 rev/min Submit Previous Answers Request Answer XIncorrect; Try Again; 4 attempts remaining
Part C Would you change your recommendation if the problem had been to find the power developed by the current source? O No O Yes Submit Request Answer Part D Figure Find the power delivered by the current source. Express your answer with the appropriate units. (< 1 of 1 > ? 29 Pdev = 516 * O W Pdev = 2.5 k 22 Submit Previous Answers Request Answer 5k02 1 2 X Incorrect; Try Again; One attempt remaining The...
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Need help with these and these only
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