johnchappy1 johnchappy1
  • 01-04-2020
  • Chemistry
contestada

If Peter carries a 20 kg weight up a flight of stairs in 20 seconds and Mary carries the same 20kg weight up a flight of stairs in 30 seconds, who does the most work?

Respuesta :

samicontreras
samicontreras samicontreras
  • 01-04-2020
Peter because he’s going faster using more energy
Answer Link

Otras preguntas

32 cups are in how many gallons
Give examples of 2 specific words from the poem "No Man Is An Island", by John Donne, that are meant to be understood metaphorically. What is the figurative mea
Ozone is both helpful and harmful to life on Earth. True Or false I believe true?
Find each sum or difference? Do u just work the problem out and put the answer down?
A 12 gallon tank is filled with water at a rate of 1/4in 5 seconds. It will take ____ Minutes and ____ seconds to fill 5/6 of the tank HELP
Approximately when did World War I occur? A. 1910s B. 1930s C. 1940s D. 1960s
Find each sum or difference? Do u just work the problem out and put the answer down?
Which passage is chronological???
Ramon has a rope that is 25 1/2 feet long. He wants to cut it into 6 pieces that are equal in length.  How long will each piece be?
Chiang picked 12 apples. She gave 1/6 of the apples to each of her 5 friends. How many apples did each friend get?