Consider two less-than-desirable options. In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph
In the second option you are driving 30 mph and crash head-on into a stationary brick wall. In neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. Which of these two situations would result in the greatest impact force?
A) hitting the brick wall
B) hitting the other car
C) The force would be the same in both cases.
D) We cannot answer this question without more information.
E) None of these is true.
C
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Electrons in an atom are positively charged
Indicate whether the statement is true or false
What would happen to a planet's thermosphere and exosphere if the Sun had a higher output of X-rays?
What will be an ideal response?
The idea of continental drift was not generally accepted when Wegener proposed it because
a. the Bible did not support it. b. Wegener was a meteorologist, not a geologist. c. Wegener was not well known. d. no satisfactory mechanism was proposed.
Suppose you have three identical lightbulbs, some wire, and a battery. You connect one lightbulb to the battery and take note of its brightness. You add a second lightbulb, connecting it in series with the previous lightbulbs, and again take note of the brightness. Repeat the process with the third lightbulb, connecting it in series with the other two. As the lightbulbs are added, the individual
currents in the lightbulbs (neglect the battery’s internal resistance) 1.increases. 2.decreases. 3.remains the same. 4.Need more information.