Asked by Johnnie

A child bounces a 46 g superball on the side-walk. The velocity change of the superball isfrom 28 m/s downward to 16 m/s upward.If the contact time with the sidewalk is1800s, what is the magnitude of the average forceexerted on the superball by the sidewalk?
Answer in units of N.

Answers

Answered by bobpursley
force*time= mass*changevelocity
= mass*(16-(-28)

find force.
Answered by Johnnie
i got 1.124 nd it said it was wrong

force*1800s=46*44
force*1800s=2024
force=1.12444444
Answered by Phyyswiz
The problem with your answe was that you didn't convert the grams to kg
Answered by Ann
Also it's not 1800, it's 1/800
Answered by Ann
Also it's not 1800, it's 1/800
so it would be: .046kg * 44 = 2.024
2.024/(1/800)

It should equal = 1619.2
Check your answer but that should be it, especially if they're asking you in units of N
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions