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

"If the mean IQ is 100 with SD = 15, what is the approximate probability that a randomly chosen sample of 9 people will have a mean IQ greater than 110?"
Use the diagram. Name a ray.
A(n) ______ is a judgment in favor of the plaintiff that occurs when the defendant fails to answer the complaint and the plaintiff's complaint alleges facts tha
1. Find the area of the triangle. 6.9 m 5.5 m 4.2 m a. 16.5 m² b. 11.55 m2 c . 23.1 m² d. 4.85 m2 please help asap!!
In the stable form of protein, the ________ is generally oriented to the interior of the protein molecule.
________ are cognitive in nature, have an unclear, general cause, and last for several hours or days.
Knowing how to create artistic and emotional beauty, to detect patterns and opportunities, to craft a satisfying narrative and to combine seemingly unrelated id
PLEASE HELP!!! A triangle has side lengths of 24, 10, and 26 units. What is the radius of the circumscribed circle?
.98345x100 the answer si
Whats 89x89 because Im rly having troubles