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?​
122,478 views
6 votes
6 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 IMil
by
3.0k points

1 Answer

14 votes
14 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 Philip Sheard
by
2.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Determjne the density of liquid whose relative density is 1.25 given that the density is 1000kgm-3​
After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2
If a constant fotce of 490 newtons is applied to an object and it proceeds to accelerate in the opposjte direction at 9.8 meters per second, every second, what is its mass?
How can I solve the following? In (Figure 1), let V = 15.0 V and C1=C2=C3= 24.2 μF. Part A: How much energy is stored in the capacitor network as shown in (Figure 1)? Part B: How much energy would be stored
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Link Copied!