A car is traveling at 30 m/s. The driver applies the brakes, and the car uniformly decelerates at 9 m/s2. How far does the car travel before coming to a complete stop?
A.
2 m
B.
50 m
C.
100 m
D.
200 m
E.
450 m
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参考答案:
举一反三
【单选题】How did the egg put into the bottle?
A.
The oxygen inside the bottle sucked the egg in.
B.
It became salt without the shell.
C.
The neck of the bottle was wide enough.
D.
The outside air pressure forced it into the bottle.