Suppose that a toy car is traveling at a speed of 15.1cm/s has been traveling for 28s. How far has the car traveled in meters?

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electreto05 | College Teacher | (Level 1) Assistant Educator

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If the car travels equal distances in equal intervals of time, in a straight line, we have that it performs a uniform rectilinear motion (MRU). For this type of movement, the speed does not vary in time, that is, it is constant and is defined as follows:

v = d/t

d, is the distance traveled.

t, is the time it is in motion.

Solving this equation for the distance d, we have:

d = v*t = (15.1)(28) = 422.8 cm

To convert to meters, we divide the result by 100

d = 422.8/100 = 4.228 m

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