Register
a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?​
25.4k views
3 votes
a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?​

User Ayushi Jha
by
5.1k points

1 Answer

2 votes
50π m ≈ 157 m
Step-by-step explanation:
100 rev/min (2π rad/rev) / (60 sec/min) = 3⅓π rad/s
d = ωrt = 3⅓π(0.50)(30) = 50π m ≈ 157 m
User Amarsuperstar
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
A space station that does not rotate cannot simulate gravity for its occupants. A)True B)False From within a rotating reference frame, the centrifugal force simulates gravity. A)True B)False On a rotating
Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.
the force is found by multiplying the mass of an object by velocity at which it travels. true or false
Link Copied!