78 rpm = 8.164 radians/seconds
angular acceleration= angular velocity/time = (8.164 -0)/6 = 1.36 rad / sec^2
an old record goes from 78 rpm to 0 rpm in 6 seconds. what is its...
QUESTION 2 An old record completes 0.890 revolutions as it slows down uniformly from 78.0 rpm to 22.8 rpm. What is the magnitude of the angular acceleration of the record, in rad/s2? Do not type in units.
A 0.8 m diameter wheel accelerates uniformly from 100 rpm to 160 rpm im 10 seconds. determind (a) angular acceleration (b) the number of turns it rotates in this time (c) the angular velocity of the wheel 2.0 seconds after it has started accelerating (d) the centripetal acceleration at this moment A 0.8-m-diameter wheel accelerates uniformly from 100 rpm to 160 rpm in 10 seconds. Determine (a) its angular acceleration, (b) the number of turns it rotates in this time,...
A phonograph record accelerates from rest to 34.0 rpm in 5.53 s. (a) What is its angular acceleration in rad/s2? rad/s2 (b) How many revolutions does it go through in the process? rev
For a record playing at 78 rpm, find the frequency and the angular velocity. frequency = angular velocity=
An old fashioned single play vinyl record rotates on a turntable at 25 rpm. What is its angular speed in SI units?
The crankshaft in a race car goes from rest to 3000 rpm in 3.0 s . a. What is the crankshaft's angular acceleration? b.How many revolutions does it make while reaching 3000 rpm ?
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
An old-fashioned single-play vinyl record rotates on a turntable at 45.0 rpm. What are (a) the angular velocity in rad/s and (b) the period of the motion?
Review Constants Perio The crankshaft in a race car goes from rest to 3600 rpm in 3.3 s. Part A What is the angular acceleration of the crankshaft? Express your answer in radians per second squared. ΠΡΟ ΑΣφ ? rad/s2 Submit Request Answer Part B How many revolutions does it make while reaching 3600 rpm? Express your answer in revolutions. ΙΙ ΑΣφ ? no revolutions Submit Request Answer
A jet engine’s turbine blades are turning at a rate of 32,500 RPM. After 20 seconds the blades are turning at 53,450 RPM. What is the angular acceleration?