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

What quality does the word unrelenting in this sentence suggest? She was unrelenting in her pursuit to rise to the top no matter who got in her way. Select one
How can you improve poor education facilities
Determine the derivative of the following and leave the answer with positive exponents Ay/ax if y=5x+√x to the exponent 5/2x²
What impact does geography have on history and culture?
A pronoun and its antecedent must agree in
what do all of these numbers have in common 3 5 7 11 and 13
What does -3/8>-1 indicate about the positions of -3/8 and -1 on the number line?
Write a story to represent the division problem. 6 divided by 1/3
A girl throws a rock into a pond. A leaf floating on the pond bobs up and down but does not change location on the pond's surface. Why not?
What type of triangle has two congruent sides and two angles measuring 45 degrees?