How far away was the lightning strike

Assignment Help Physics

Reference no: EM13810802

1. A spring with negligible mass stretches 34.0 cm when a 144 g gram mass is suspended from it. Now I suspend a mass m from the spring. If it oscillates at an angular frequency of 4.51 rad/s, what is the mass?

2. A 3.45 kg mass vertically compresses a spring 67.0 cm before it starts to rebound. How high will the Mass move above the uncompressed it the mass is left to "bounce" back up?

3. A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds.
a) Determine the wavelength of this wave.
b) Determine the frequency of this wave.
c) Determine the speed of this wave.
d) Determine the amplitude of this wave.

f) Determine maximum and minimum speeds of particles of the cord.
4. A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. They also notice there are 55 waves every 10.0 seconds passing the end of a pier. How fast are the waves going?

5. A whale sends an undersea signal to its mate and then gets a response 4.5 seconds later. How far away is the whale's mate?

6. A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike?

7. A single bass amplifier produces a volume of 102 dB. What is the sound level if a guitar amplifier what produces 98 dB is played at the same time?

8. A string on a guitar vibrates at 420 Hz. If the tension on the string is 102 N, what is the mass of the string if the portion that vibrates is 63.7 cm long?

Reference no: EM13810802

Questions Cloud

Yahoo and amazon-building a competitive advantage : Review Case 21 "How Amazon.com became the leading online retailer by 2011", and Case 23 "Is Yahoo!'s business model working in 2011?" located in the textbook to complete this assignment.

Planning and researching as well as writing reports : The reading from the text this week discussed planning and researching as well as writing reports and proposals. We are going to apply this knowledge into budget preparation. Please read chapter 1 and 2 in Budgeting Basics and Beyond. These 2 chapt..

Estimate the durations of the activities : Based on your knowledge of your anticipated resources you will have to do the work of the activities, estimate the durations of the activities. You may use Microsoft Project now, or defer use of Microsoft Project to the Phase 4 IP.

Examine the development of right to counsel : Examine the development of right to counsel and when the right to counsel attaches to criminal procedure, as well as the right to self-representation.

How far away was the lightning strike : What is the mass of the string if the portion that vibrates is 63.7 cm long - how far away was the lightning strike?

Assignment on constitutional and admin law : Constitutional and Admin Law

Critical success factors in particular : Consider your own health care organization or one which you would someday hope to lead. Based upon your learning in this course, state and explain at least three "critical success factors" for your organization, department or program. Why did you sel..

Find various life cycle models : In software engineering, one can find various life cycle models. Some examples include the waterfall model, agile processes, and iterative and incremental models. Research at least five (5) current and representative life cycle models

Determine the best way to estimate the value of time : Determine the best way to estimate the value of time

User Account

All Pages