Author Question: Two capacitors with capacitances of 1.5 mF and 0.25 mF, respectively, are connected in parallel. The ... (Read 46 times)

natalie2426 · **on:** Jul 28, 2018

Two capacitors with capacitances of 1.5 mF and 0.25 mF, respectively, are connected in parallel. The system is connected to a 100-V battery. What electrical potential energy is stored in the 1.5-mF capacitor?
a. 1.2 10-3 J
c. 0.50 10-3 J
b. 1.9 10-3 J
d. 7.5 10-3 J

Question 2

A bowling ball has a mass of 7.0 kg, a moment of inertia of 2.8 10-2 kgm2, and a radius of 0.10 m. If it rolls down the lane without slipping at a linear speed of 5.0 m/s, what is its angular speed?
a. 0.80 rad/s
c. 0.050 rad/s
b. 50 rad/s
d. 40 rad/s