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

For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}
anyyyy girrllll online hereeeere m soo bored​
Graph: f(x) = -√x Step 1: Evaluate the function to find three points. f(0) = -1 0 1 -2 2 1 -2 9 y 2 6 x x y
What work must be done to place a satelite of mass 30kg in orbit at a height of 50km above the earth with a velocity of 800m sec?
Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 3.02 m away from a waterfall 0.258 m in height, at what minimum speed must a
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
HELP. Really really need help. ASAP please. Please help me with this. I will give out a lot of extra points and a Brainly to whoever does it good. Thanks.
With a $230,000 annual profit achieved from a $2,000,000 investment, the return on investment (ROI%) for a business would be
1. The report tomorrow (finish).​
The value of 3 in 6,300 is _____ times the value of 3 in 530.