atecno2563
atecno2563 atecno2563
  • 25-10-2020
  • Business
contestada

a car starts from rest and reaches a speed of 20m/s in 5 second what is the acceleration of the car
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lykabelle
lykabelle lykabelle
  • 25-10-2020

Answer:

The car's acceleration is 10 m/[tex]s^{2}[/tex]

Explanation:

The "acceleration" tells you how the velocity's rate changes over a specific period of time.

The formula is: a (acceleration) = [tex]\frac{change in velocity}{change in time}[/tex]

The velocity changed from 0 m/s to 20 m/s while time changed from 0 sec. to 5 sec.

Therefore: a = [tex]\frac{20 m/s}{5 s}[/tex] = 10 m/[tex]s^{2}[/tex] (this refers to the rate at which the car's velocity changed over time)

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