The net force on the object is 5 N.
Explanation:
We can calculate the net force on the object by using Newton's second law of motion:
where
F is the net force on an object
m is the mass of the object
a is its acceleration
For the object in this problem, we have
m = 1 kg is its mass
is its acceleration
Substituting into the equation, we find the net force:
Learn more about Newton's Second Law:
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Answer:
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Explanation:
I think the answer is 8.2 mm
Answer: 2.4 m/s
Explanation:use KE= 1/2 mv²
Derive to find v:
v = √ 2KE / m
= √ 2 ( 9 J ) / 3 kg
= 2.4 m/s