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

there is $100 in my piggy bank. My friend and I went to the mall and i spent $20. How much money do i have now?
How to make a mixed fraction
72 - (blank) + 20 = 70 what number is the blank
The cause of the sun rising and setting in the sky is the earths rotation . What is the affect
6 5/10 as improper fraction
a town had about 2120 acres of pine trees 40 years ago. Only about 13% of the pine trees remain. How many acres of pine trees remain
6 5/10 as improper fraction
13. (1 pt) Who was Hiram Bingham? A. a Harvard-trained archaeologist who first explored the Maya ruins at Tikal B. a Yale-trained explorer who first discover
whats the integral of 1/X
why did many aristocrats support legalism