A car accelerates from rest to 12 m/s in 4 seconds. What is its acceleration?
1 answer:
Answer:
<h3>The answer is 3.0 m/s²</h3>Explanation:
The acceleration of an object given it's velocity and time taken can be found by using the formula
where
a is the acceleration
v is the velocity
t is the time
From the question
v = 12 m/s
t = 4 s
We have
We have the final answer as
<h3>3.0 m/s²</h3>Hope this helps you
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The speed of the ball is 101miles/hr.
A mile is a unit of length that is exactly 1,609.344 metres long. Similarly, 5,280 feet or 1,760 yards make up one mile. The mile is an imperial and common US measurement of distance.
We just have to deal with unit conversions.
One mile is 5280 feet, or 1 ft = 0.000189
The speed of the ball in miles per hour is
So, the speed of the ball in miles per hour is 101miles/hr.
Learn more about miles here;
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