Fig 13.5 is a \'snapsher\' of a wave at a given time. The frequency of the wave

Question

Fig 13.5 is a 'snapsher' of a wave at a given time. The frequency of the wave is 120 Hz. What is the wave speed? 36m/s 24m/s 48m/s 12m/s TRUE/FALSE. Write T if the statement is true and 'F' if the statement is false. The amount of heat that flows through a rod w hose ends are held at different temperatures is proportional to the length of the rod. The amount of heat that flows through a rod whose ends are held at different temperatures is proportional to the area of the rod. Radioactive heat transfer requires a fluid to mediate the energy transfer. The period and frequency of a simple pendulum depend on the mass of the pendulum bob. Any oscillating system for which the not restoring force is directly proportional to the displacement is said to exhibit simple harmonic motion. The condition of driving a system at a natural frequency is referred to as resonance. MUTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. A mass swinging on the end of a missies string, as shown in Fig. 13.2 undergoes SHM. Where is teh instantaneous acceleration of the mass greatest? C A and D B A and B A and C

Explanation / Answer

17) velocity = frequency * wavelength =120*0.2 = 24 m/s (Option B)

18) False (inversaly proportional)

19) True

20) False (No medium required)

21) False.

22) True

23) False

24) A and D (option B)

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