foutzmusic foutzmusic
  • 08-11-2019
  • Physics
contestada

A ball on a string makes 25.0 revolutions in 9.37 s, in a circle radius 0.450 m. What is it’s velocity?

Respuesta :

MathPhys
MathPhys MathPhys
  • 08-11-2019

Answer:

7.54 m/s

Explanation:

C = 2πr

C = 2π (0.450 m)

C = 2.827 m

v = d / t

v = 25.0 (2.827 m) / (9.37 s)

v = 7.54 m/s

Answer Link

Otras preguntas

Identify the property or rule shown by each equation. 9 divided 1 =9 and 33 times 1 =33
how do i show forces on paper (it is on a study worksheet)??
What is the Second Tallest Mountain?
Paloma can run the 100-meter dash in 16 1/5 seconds. Savannah best time is 19.8 seconds. How much faster is Paloma than Savannah in the 100-meter dash
the ancient athenians are credited with what
Noah has 3 3/4 quarts of motor oil. He puts 1/2 that amount into a riding lawn mower. How much oil does Noah put into the riding lawn mower? Express your answer
The SI unit for speed is
7/18-5/18 in simplest form
Express 2.98 as a mixed number
Y=2x-5 is the equation of a straight line graph. Where does it cross the y-axis?