mariparker22 mariparker22
  • 03-05-2020
  • Physics
contestada

8. Which would take more force to stop in 10 seconds: an 8 kg ball rolling at 0.2
m/s, or a 4 kg ball rolling at 1.0 m/s?

Respuesta :

babysharkTinaaa
babysharkTinaaa babysharkTinaaa
  • 03-05-2020
Force = mass • acceleration

1) Find acceleration
-) 8kg ball
a= v/t
a= .2/ 10 = .02 m/s^2
Force = 8kg • .02 = .16N

-) 4kg ball
a= v/t
a= 1.0/ 10 = .1 m/s^2
Force = 4kg • .1 = .4N

Answer: The 8kg ball would need more force because it requires .16N, while the 4kg only need .4N .




Answer Link

Otras preguntas

Which of the following is the most common symptom of hypertension? a. shortness of breath b. tightness in the chest c. headaches d. none of the above
compare Hindu and Buddhist beliefs about reincarnation and how one should live.
the perimeter is 54 inches and the length is 15 what is the width
What led to increased tension between the United States and Japan in 1937?
Price ceilings are created to keep products affordable for consumers.Answer a. True b. False
Fertilization of the human egg cell usually occurs in the a. uterus. b. vagina. c. fallopian tube. d. ovary.
Art is a drawing of anything you want it to be ,Art is a drawing that you can draw love, people anything I think.
Round each fraction to 0, 1/2, or 1...... 1/5, 4/7, 11/12, and 2/15
How many molecules is .360 mol of water
Cindy spends 20% of the money that she has on groceries. She has a total of $30. How much money did she spend on groceries?