Mathematics
24.10.2021 15:37
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The speed of a car traveling on a straight road increases from 63 m/s to 75 m/s
The speed of a car traveling on a straight road increases from 63 m/s to 75
m/s in 4.2 seconds. What was the car's acceleration? m/s2 = meters per
second squared
Show Answers
second squared
rachellynn02
5,0(97 marks)
Answer :
Initial velocity = 63m/s
Final velocity = 75m/s
Time taken = 4.2
We have to find acceleration of car
_________________________________
◈ Acceleration is defined as the rate of change of speed.
a = (v - u) / tIt is a vector quantity having both magnitude as well as direction.
SI unit : m/s²
⇒ a = (v - u) / t
⇒ a = (75 - 63) / 4.2
⇒ a = 12/4.2
⇒ a = 2.85 m/s²
trodrickwilliams2019
4,7(71 marks)
y=3x+10
Step-by-step explanation:
2=-12+b
b=10
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