Author Question: A bicycle is moving 4.0 m/s. What is the angular speed of a wheel if its radius is 30.cm? A) 4.8 ... (Read 86 times)

2125004343 · **on:** Jul 27, 2018

A bicycle is moving 4.0 m/s. What is the angular speed of a wheel if its radius is 30.cm?

A) 4.8 rad/s
B) 7.6 rad/s
C) 0.36 rad/s
D) 1.2 rad/s
E) 13. rad/s

Question 2

If sunlight peaks at 0.55 m wavelength, this infers a surface temperature of the sun of how many thousand degrees Kelvin?

A) 9.5
B) 5.3
C) 2.5
D) 25.
E) 15.