At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0 complete revolutions. What is the angular acceleration of this wheel?
a. 17 rad/s2
b. 14 rad/s2
c. 20 rad/s2
d. 23 rad/s2
e. 13 rad/s2
b
You might also like to view...
Unbalanced torques produce rotational accelerations, and balanced torques produce rotational equilibrium
Indicate whether the statement is true or false
A lightly damped harmonic oscillator, with a damping force proportional to its speed, is oscillating with an amplitude of 0.500 cm at time t = 0. When t = 8.20 s, the amplitude has died down to 0.400 cm
At what value of t will the oscillations have an amplitude of 0.250 cm? A) 5.13 s B) 16.5 s C) 18.5 s D) 25.5 s E) 20.5 s
Assuming the Lawson criterion for the deuterium-tritium interaction, ?? ? 1014 s/cm3, what is the minimum plasma ion density at 10 11 K?
a. 10–3 s/cm3 b. 103 s/cm3 c. 1025 s/cm3 d. 1036 s/cm3 e. More information is needed.
What are the dimensions of velocity?
What will be an ideal response?