02-05-2019
Physics

contestada

starting from rest a 5.00 kg steel sphere rolls down a frictionless ramp with a height of 4.00 m. what is the spberes speed when it reaches the bottom of the ramp
________m/s

A. 8.85

B. 78.4

C. 39.2

D. There is no energy lost from the system

Respuesta :

CeeCee2xs CeeCee2xs

02-05-2019

Answer:

A. 8.85

Explanation:

U = mgh

5*4*9.8 = 0.5*5*V^2

V = √4*9.8/0.5 = √78.4 = 8.85 m/se

Answer Link

Otras preguntas

2140=(905)(v^2)/3.25

What is state C. posted both pictures

Please help First person to help me I will mark brainliest answer

A farmer wants to fence a section of land for a horse pasture. Fencing cost $27 per yard. How much will it cost to fence the pasture?

How do you find the coordinates of the triangular regionenclosed by the lines y 0, y = x + 5 andx + 2y - 6= 0

Which expression is equivalent to -4x4x4x4x4x4x4x4?

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! Find the tangent of ∠Y. Write your answer as an integer or as a decimal rounded to the nearest hundred

Cells are like fine tuned machines. They work to maintain a balance by removing what is not needed and obtaining what is. For example, if a particular enzyme su

Simplify and solve it

. Explain how the Wall Street Crash led to The Great Depression.