This topic contains a solution. Click here to go to the answer

Author Question: Running a clothes dryer for 90 minutes at 800 Watts will cost about ______ cents if the cost of ... (Read 140 times)

karen

  • Hero Member
  • *****
  • Posts: 537
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

b

Answer to Question 2

E



karen

  • Hero Member
  • *****
  • Posts: 537
Both answers were spot on, thank you once again



leeeep

  • Sr. Member
  • ****
  • Posts: 315

 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library