Question

Part A: A spring obeying Hooke's law has a spring constant of 1.9 N/m. If you...

Part A:

A spring obeying Hooke's law has a spring constant of 1.9 N/m. If you load it with 2.2 kg (about 1 pound mass) and let Earth's gravity pull down on it, how far will it extend from its previous length? Give your answer in meters. Use 9.8 m/s2 for the acceleration of gravity.

Part B:

What is the velocity of a wave of any kind that has a frequency 691 Hz and a wavelength 8 meters?

Give your answer in m/s.x

Part C:

A mercury barometer ...

Pick those that apply.

a. has a column height that depends on the mass of atmospheric gas above it.

b. has a column height that depends on Earth's mass.

c.

has a column height that depends on the pressure of the Earth's atmosphere.

d. has a column height that depends on Earth's radius.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

(a) The expression for the Hookes law is as follows: F=-kx Rearrange the equation for x. F k = X X= Solve for x. mg k (2.2 k(C) As, pgh=P Thus, P. h Pg The correct option is c.

Add a comment
Know the answer?
Add Answer to:
Part A: A spring obeying Hooke's law has a spring constant of 1.9 N/m. If you...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT