How many seconds after departure from the station the speed reaches 75 km / h if the acceleration during
| December 2, 2020 | education
How many seconds after departure from the station the speed reaches 75 km / h if the acceleration during acceleration is equal to 1 m / s * 2
the velocity equation has the form
V = Vo + at
by the conditions Vo = 0
then V = at
speed should be 75 km / h
acceleration in this case 1 m / s ^ 2 = 1 * 3600/1000 = 3.6 km / h
total
75 = 3.6 * t
t = 75 / 3.6 = 20.8 hours
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