An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
A) increases.
B) decreases.
C) doesn't change.
D) need more information
Question 2
If a monkey floating in outer space throws his hat away, the hat and the monkey will both
A) move away from each other, but at different speeds.
B) move away from each other at the same speed.
C) move a short distance and then slow down.
D) move a short distance and then go faster.
E) come to a stop after a few minutes.
Free-roaming mustangs (Utah, 2005)
Hare running in open field
Cross Section of Skin and Free Nerve Endings
Acid Rain
Using a DMM to measure the open-circuit voltage of a battery.
The fuel system should hold pressure if the system is leak free.