A massless spring with k =74N/m hangs from the ceiling. A 510-g mass is hooked o

Question

A massless spring with k=74N/m hangs from the ceiling. A 510-g mass is hooked onto the unstretched spring and allowed to drop.

Part A

Find the amplitude of the resulting motion.

Express your answer using two significant figures.

6.8

SubmitMy AnswersGive Up

Correct

Part B

Find the period of the resulting motion.

Express your answer using two significant figures.

SubmitMy AnswersGive Up

A massless spring with k=74N/m hangs from the ceiling. A 510-g mass is hooked onto the unstretched spring and allowed to drop.

Part A

Find the amplitude of the resulting motion.

Express your answer using two significant figures.

6.8

SubmitMy AnswersGive Up

Correct

Part B

Find the period of the resulting motion.

Express your answer using two significant figures.

SubmitMy AnswersGive Up

Explanation / Answer

A)
acceleratin m*a=k*x
or
m*g=k*A
A=(m/k)*g
=(510*10^-3)*9.8/74
=67.54*10^-3 m
=6.754 cm

B)
time perod T=2*pi*sqrt(amlitude/acceleration)
T=2*3.14*sqrt(67.54*10^-3/9.8)
=0.5213 sec

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.