cillalynn24
23.07.2019 •
Physics
If an object moved at 30.0 m/s and at a later time covers half the distance in the same time, calculate its new speed.
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Ответ:
Ответ:
15 m/s
Explanation:
Let in time t the object moves a distance d with speed 30 m/s.
Again in time t, it covers half of distance and the new speed is v.
So, d = 30 x t (1)
d/2 = v x t
Put d = 30 t from equation (1)
30 x t / 2 = v x t
v = 15 m/s
Ответ:
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