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Author Question: Running a clothes dryer for 90 minutes at 800 Watts will cost about ______ cents if the cost of ... (Read 129 times)

karen

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on: Jul 28, 2018
Running a clothes dryer for 90 minutes at 800 Watts will cost about ______ cents if the cost of electricity is 7 cents per kWh:
 a. 4 b. 10 c. 24 d. 50 e. 120

Question 2

A student in the front of a school bus tosses a ball to another student in the back of the bus while the bus is moving forward at constant velocity. The speed of the ball as seen by a stationary observer in the street:
 a. is less than that observed inside the bus.
  b. is the same as that observed inside the bus.
  c. is greater than that observed inside the bus.
  d. may be either greater or smaller than that observed inside the bus.
  e. may be either greater, smaller, or equal to that observed inside the bus.


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leeeep

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

E


karen

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


leeeep

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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