Consider two less-than-desirable options.
In the first, you are driving 30 mph and crash head...
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?
Choose one answer.
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.
Answers: 2
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You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
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