Author Question: When the engine of your car heats up, the spark plug gap will A) increase. B) decrease. C) ... (Read 90 times)

cnetterville · **on:** Jul 27, 2018

When the engine of your car heats up, the spark plug gap will

A) increase.
B) decrease.
C) remain unchanged.
D) decrease at first and then increase later, so that the two effects cancel once the engine reaches operating temperature.

Question 2

A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table.

(a) How far from the base of the table did it strike the floor?
(b) How long was it in flight?