Amber moves from her desk to the door in 17 seconds. Her speed changes from rest to 5 m/s. What is Amber's average acceleration?
1 answer:
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The force applied by the student is 75 N
Explanation:
We can solve this problem by using Newton's second law, which states that the force applied on an object is equal to the product between the mass of the object and its acceleration:
where
F is the force applied
m is the mass of the object
a is the acceleration
In this problem,
m = 50 kg
Substituting, we find the force applied by the student:
Learn more about Newton's second law of motion:
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Answer:3.98cm
Explanation:
given data
mass of object=0.5kg
intial extension=5 cm
elevator acceleration=2 m/
From FBD of intial position
Kx=mg
K=
k=98.1 N/m
From FBD of second situation
mg-k=ma
k=m(g-a)
=
=3.98cm
