A girl and her bicycle have a total mass of 40 kg. At the top of the hill her speed is 5.0 m/s. The hill is 10 m high and 100 m long. If the force of friction as she rides down the hill is 20 N, what is her speed at the bottom?
A.
5.0 m/s
B.
10 m/s
C.
11 m/s
D.
She stops before she reaches the bottom.
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【单选题】Which of the following translation criteria is not required for journalism translation?