Why are mercury and the earths moon so cratered?
1 answer:
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The acceleration of the car is
Explanation:
The acceleration of an object is given by
where
v is the final velocity
u is the initial velocity
t is the time elapsed
Here we have to convert the initial and final velocity of the vehicle into SI units. So we have:
is the initial velocity
is the final velocity
t = 5 s is the time elapsed
Solving for a, we find the acceleration:
Learn more about acceleration:
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Answer:
a. Yes, because the acceleration of the crate is 2.0 m/s².
Explanation:
Given
--- f
--- m
--- t
--- v
Required
Does the system support
Yes, it does and this is shown below
The crate is initially at rest; so:
Using the first equation of motion
Substitute values for v, u and t
Make a the subject
Using
Substitute values for F and m
Divide both sides by 3
In both cases:
<em>Hence, option (a) is correct.</em>