176 STEP 4 Review the Knowledge You Need to Score High Practice Problems Nater A

Question

176 STEP 4 Review the Knowledge You Need to Score High Practice Problems Nater Additional drills regarding simple harmonic (b) C(multiple choice) A tuning fork vibeating in air peoduces sound waves. These waves are motion graphs are included in Chapeer 18 I. In a pipe closed at one end and filled with air,a A) Transverse, becnase the air molecules are 384-He caning fock resonaces when the pipe is 22-cm long chis tuning fock does not resonase foe any smaller pipes vibrasing parallel to the direction of wave (B) Transvene, because the air molecules are vibrating perpendicular to the direetion (a) Stase three other lengths at which this pipe of wave motion will resonane with the 384-Hz tuning fork b) The end of the pipe that was closed is now (C) Longitudinal, because the air molecules opened, so that the pipe is open at both ends Describe any changes in the lengths of that will resonase with the 384-Hz nuning are vibrating parallel to the direction of (D) Longitudinal, because the air molecules are vibeacing perpendicular to the dinec- (e) The sir in the closed pipe is replaced with of wave monuziwaes and gamma helium. Describe an experiment that would use the pipe so determine the speed of sound ) (nsulkiple choice) Radio waves and gamma in belium. rays traveling in space have the same (A) Frequency (B) Wavelengeh (C) Period (D) Speed 0.10 (d) Which type of wave exhibits the Doppler ba effect? Choose all that apply. Justify your answer beiefly 6) Visible light i) Radio waves Gii) Gamma rays (iv) Sound waves 30 Distance (m 0.0 6.0 4. The driver of a car blows the horn as the car (a) Compared to the horn's pitch heard by the (c) On the diagram, draw a different wave thatbThe car passes you, while the driver continucs 2. The wave shown in the previous figure travels in a approaches you. material in which its speed is 30 m/s (a) What is the wavelength of this wave (b) Calculate the frequency of this wave driver, will the pitch observed by you be higher, lower, or the same has a larger frequency but carries less energy to blow the horn. After the car passes, you notice that the horn doesn't sound as loud as it did when it was near you. Is this observation a result of the Doppler effect? than the one pictured. 3. Consider the following questions about elec- tromagnetic and mechanical waves. Justify your answer to each (c) The car recedes from you after passing you. (a) Which of the following types of wave can be transmitted through space, where there is no air? Choose all that apply. Justify your answer briefly still producing sound waves from the horn. Discuss how the amplitude, period, and fre- quency of the sound waves that you would measure compare to the amplitude, period. and frequency of the sound waves that the driver would measure. 0 Visible light (i) Radio waves (ii) Gamma rays ) Sound waves

Explanation / Answer

According to Chegg's Guidelines, We can Answer only One question(with subparts) at a time.

So Post other Questions separately. Thank You :)

5.

Time period = 2pi*sqrt(m/k), a. If we double Time period i.e, T2 = 2T1

So, F =1/T  Thus, Frequency is reduced to 1/2 of first one. { F2 = 0.5F1} [Decreases]

b. T is directly proportional to sqrt m.

T1/T2 = sqrt (m1/m2)

T2 = T1* sqrt(m2/m1)

2T1 = T1 * sqrt(m2/m1) {T2 = 2T1}

so, m2= (4) m1

Therefore, Mass "Increases by 4" times compared to inital stage"

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