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.
Cheetah at the Werribee Open Range Zoo
(A) Closed (or simple) fracture and (B) open (or compound) fracture.
The thermodynamics of protein folding depicted as a free-energy funnel
Some plastic intake manifolds are equipped with a pressure relief valve that would open in the ...
Glycerolipid/free fatty acid cycle and glyceroneogenesis
Tropical rain forest "الغابات الاستوائية المطيرة"