本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021，类别为 美国物理杯赛(Physics Bowl)
[单选题]
An object of mass m initially at rest experiences a uniform, non-zero acceleration. Which of the following statements is correct?
A. The object’s displacement is directly proportional to its time of travel.
B. The object’s velocity is directly proportional to its time of travel.
C. The object’s acceleration is directly proportional to its time of travel.
D. The object’s kinetic energy is directly proportional to its time of travel.
E. The net force acting on the object is directly proportional to its time of travel.
参考答案: B
本题详细解析:
$v=v_0+at$
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