4 If a 50-kilogram student is pushed in a rolling chair with a force of 20 N, what is the student's
acceleration?
F. 2.5 m/s 2
G. 4.0 m/s 2
H. 1,000 m/s 2
J. 0.40 m/s2

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

Work = force × a. work b. energy c. distance d. momentum