Answer:
a) net force = 110N to the right.
b) acceleration = 5.5 m/s/s
Explanation:
a) 150N - 40N = 110N
b) F = ma
110N = 20kg x acceleration
acceleration = 110/20 = 5.5
T = 2 * pie √(L/g)
so, if length is increased by 9
then time period is increased by √9 = 3
hope it helped :)
Newton's First Law: An object in motion stays in motion, an object at rest stays at rest unless an unbalanced force acts upon it. For example, when zipping down the zip line you will stay in motion unless an outside force interferes. ... The more mass the more force needed.
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Place the permanent magnet into an AC magnetic field and slowly reduce the field to 0 and the magnet will be temporarily demagnetized.