Author Question: If a 20 and a 40 ohm resistor are wired in series to the same source, the current through the 40 ohm ... (Read 32 times)

meagbuch · **on:** Jul 28, 2018

If a 20 and a 40 ohm resistor are wired in series to the same source, the current through the 40 ohm resistor will be:
a. 0.33 b. 0.5 c. 1.0 d. 2.0 e. 3.0 amps

Question 2

A 3.0-kg block slides on a rough horizontal surface. A force of 8.0 N acting parallel to the surface is applied to the block. The coefficient of kinetic friction between the block and the surface is 0.15 . What is the magnitude of the block's acceleration?
a. 1.9 m/s2
b. 1.2 m/s2
c. 2.3 m/s2
d. 1.5 m/s2
e. 2.9 m/s2