A father pulls his children in a wagon for 25 minutes covering 5 550 ft on a level sidewalk. He pulls with an average force of 25 lbf at an angle of 45 degrees to the sidewalk.
(a) How much work is done (in ft · lbf)?
(b) What is the average horsepower required?
 ANSWER.png)
Trades & Technology
You might also like to view...
¿Cuál de los siguientes grosores es el más común para el revestimiento de PVC?
a. Calibre 24 b. 0,030 milésimas de pulgada (0,76 mm) c. 0,016 milésimas de pulgada (0,40 mm) d. Calibre 20
Trades & Technology
The area that a plant or animal requires for shelter, food, water, and safety is called what?
What will be an ideal response?
Trades & Technology
Some weeds can be poisonous
Indicate whether the statement is true or false
Trades & Technology
The temperature difference between the floor and the ceiling of a room is 7° F. Express this difference in degrees Celsius. Round the answer to the nearer tenth if necessary.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology