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marydaphnemagulta79
@marydaphnemagulta79
April 2023
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a car starts from rest and attains a speed of meter/s in 30 seconds what is its acceleration
please answer
Answers & Comments
soohee011988
We can use the formula for acceleration to find the answer:
a = (v - u) / t
where:
a = acceleration
v = final velocity
u = initial velocity (which is zero in this case)
t = time
Given:
v = 20 m/s
u = 0 m/s
t = 30 seconds
Substituting the values into the formula, we get:
a = (20 m/s - 0 m/s) / 30 seconds
a = 20 m/s / 30 seconds
Simplifying this expression, we get:
a = 2/3 m/s^2
Therefore, the car's acceleration is 2/3 m/s^2.
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Answers & Comments
a = (v - u) / t
where:
a = acceleration
v = final velocity
u = initial velocity (which is zero in this case)
t = time
Given:
v = 20 m/s
u = 0 m/s
t = 30 seconds
Substituting the values into the formula, we get:
a = (20 m/s - 0 m/s) / 30 seconds
a = 20 m/s / 30 seconds
Simplifying this expression, we get:
a = 2/3 m/s^2
Therefore, the car's acceleration is 2/3 m/s^2.