29.- How much does it cost to run a 10 CV motor for 8 h "to" $0.976 "the" KW-h 30.- The string in the figure has a length of 1.22 m when the ball is released through the arc tracing the interrupted line. With what speed will it go when it passes through its lowest point? Solve the problem solely for power conditions. 1=1,22 m

29.- How much does it cost to run a 10 CV motor for 8 h "to" $0.976 "the" KW-h 30.- The string in the figure has a length of 1.22 m when the ball is released through the arc tracing the interrupted line. With what speed will it go when it passes through its lowest point? Solve the problem solely for power conditions. 1=1,22 m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 37CQ: A long, inexpensive extension cord is connected from inside the house to a refrigerator outside. The...

See similar textbooks

Similar questions

What is the cost of operating a 3.00-W electric clock for a year if the cost of electricity is $0.0900 per kW h?
Referring to Example 23.14, find the average power at 10.0 kHz.
Verify the energy unit equivalence that 1 kWh = 3.60106 J.
A long, inexpensive extension cord is connected from inside the house to a refrigerator outside. The refrigerator doesn't run as it should. What might be the problem?
Your excercise regime is running up a flight of stairs every morning. if it takes you twice as long to go up all the stairs one day what happened to the power compared to normal? A) half as much B) twice as much C) not enough information D) same as before
Why must the flex to a 9 kW shower be much thicker than the flex to a 2 kW kettle and what might happen if it is not?
Show that the units 1 A2 . Ω = 1 W , as implied by the equation P = I2 R .
A. At 7.15 cents per kilowatt-hour, what does it cost to operate a 9.00 hp motor for 10.0 he? B. At 7.15 cents per kilowatt-hour, what does it cost to leave a 75.0 W light burning 24.0 hours a day?
Show that the units 1 A2 ⋅ Ω = 1 W, as implied by the equation P = I 2R .
LED light bulb uses energy of 3W. What is the electrical energy is used if the light is on for 2 hours? A)34510 J B)21600 J C)92850 J D)62630 J
A PHILIPS brand of electric mixer is operating at 175 Watts. How much are you going to pay in 1 month ( 30 days) if you are using this mixer in 30 minutes per day? Use the Meralco rate of 11. 75 Pesos per kW-Hr. a. 1.03 pesos b. 30843.75 pesos c. 2056.25 pesos d. 30.84 pesos
If a person has $5, how long could he or she play a 200 W stereo if electricity costs $0.15 per kWh?