For a record playing at 78 rpm, find the frequency and the angular velocity. frequency =...

Question

Question

For a record playing at 78 rpm, find the frequency and the angular velocity.

frequency =

angular velocity=

science physics

Answer 1

Answer #1

N = 78 rpm

frequency = N/60

= 78/60 = 1.3 Hz

angular velocity = 2pi*f

= 2pi*1.3 = 8.168 rad/s

Answer 2

Similar Homework Help Questions

an old record goes from 78 rpm to 0 rpm in 6 seconds. what is its...

an old record goes from 78 rpm to 0 rpm in 6 seconds. what is its angular acceleration?
A certain CD has a playing time of 78 minutes. When the music starts, the CD...

A certain CD has a playing time of 78 minutes. When the music starts, the CD is rotating at an angular speed of 4.50×1024.50×102revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.00×1022.00×102 rpm. Find the magnitude of the average angular acceleration of the CD. Express your answer in rad/s².
An old turntable for playing vinyl records rotates at 33 rpm (rotations per minute). Its angular...

An old turntable for playing vinyl records rotates at 33 rpm (rotations per minute). Its angular velocity, w, is closest to which value? Select one: a. 0.03 rad/sec b.3.45 rad/sec c. 1.8 rad/sec d. 0.55 rad/sec

1. A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5s. What is the angular acceleration(in...

1. A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5s. What is the angular acceleration(in rad/s2) of this device? 2. A flywheel rotating at 20 rpm undergoes an angular acceleration of 2.0 rad/s2 for precisely 5 revolutions. What is the angular velocity of the flywheel at the end of this acceleration?
At what angular velocity in rpm will the peak voltage of a generator be 560 V,...

At what angular velocity in rpm will the peak voltage of a generator be 560 V, if its 480–turn, 6.90 cm diameter coil rotates in a 0.230 T field? Answer in rpm
Problem 2 Crank AB has a constant clockwise angular velocity of 2000 rpm. For the crank...

Problem 2 Crank AB has a constant clockwise angular velocity of 2000 rpm. For the crank position shown, find the instantaneous angular acceleration of the connecting rod BD, and the acceleration of piston D. I=8in. n. 40°

A cd is rotating at 530 rpm. What is the angular velocity in rad/s? It is...

A cd is rotating at 530 rpm. What is the angular velocity in rad/s? It is 12 cm in diameter. What is the tangential velocity at the edge? What is the tangential velocity at 3.5 cm from the center?
In the figure, the angular velocity of crank OA is 100 rpm. Determine the linear velocity...

In the figure, the angular velocity of crank OA is 100 rpm. Determine the linear velocity of slider D and the angular velocity of the link BD, when the crank is inclined at an angle of 710 to the vertical. The dimensions of various links are OA=21 mm AB=44 mm BC=49 mm BD=46 mm the center distance between the center of rotation and C is 61 mm. The path of travel of the slider is 11 mm below the fixed...
15.123.) The disk shown has a constant angular velocity of 500 rpm counterclockwise. Knowing that rod...

15.123.) The disk shown has a constant angular velocity of 500 rpm counterclockwise. Knowing that rod BD is 10 in. long, determine the acceleration of collar D when θ=55°. 15.123 The disk shown has a constant angular velocity of 500 rpm counter- clockwise. Knowing that rod BD is 10 in. long, determine the accel- eration of collar D when (a) 90°, (b) 180 in Fig. P15.12 6 in Fig. P15.123

An old-fashioned vinyl record rotates on a turntable at 45 rpm. What is the angular speed in...

An old-fashioned vinyl record rotates on a turntable at 45 rpm. What is the angular speed in rad/s?What is the period of motion