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Carlo is pushing the spring with a force of 15.6 N by 5.0 cm. A) What is the force constant of the spring? B) How much force is needed to push the spring with addition of another spring which is 6.0 cm?

Sagot :

Answer:

A. k = -312 N/m

B. F = 34.32 N

Explanation:

A.

GIVEN

x = 5.0cm = 0.05m

F = 15.6N

FORMULA

k = -F/x

SOLUTION

k = -15.6N / 0.05m

k = -312 N/m

B.

GIVEN

x = 5.0cm + 6.0cm = 11cm = 0.11m

k = - 312 N/m

FORMULA

F = -kx

SOLUTION

F = -(-312 N/m)(0.11m)

F = 34.32 N