A parabolic dish antenna has a conical beam 20° wide, Find the directivity of the antenna.

Q: What is an example of resonance?

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Q: What are the transverse components?

A: When we consider curvilinear motion, there are two components, radial and transverse in polar…

Q: How does the doubling of the mass of a simple pendulum affect its period? It doubles It halves It…

A: Time preiod of pendulum is T=2πLg . where L = length of the pendulum,  and g= the gravatational…

Q: You are floating on the surface of the water in a lake. A boat passes by, creating waves in the…

A: it is a case of wave motion. As boat passes it disturbs the water to move up and down that is…

Q: A boat at anchor is rocked by waves whose crests are 40 m apart and whose speed is 5.0 m/s. The…

A: Given data *The given speed of the wave is v = 5.0 m/s *The given wavelength is λ=40 m

Q: What are forced vibrations? Give one example to illustrate your answer.

A: Forced vibration is the vibration due to a time-varying disturbance applied to the mechanical…

Q: What is a mechanical Wave?

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Q: Applications of waves in our everyday life

A: Given question is, application of waves in our everyday life.

Q: 9. when a 0.284kg mass is hung carefully on a spring, the spring sags by your 0.13 meters. calculate…

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Q: 4. Show that the maximum speed of a mass on an oscillating spring is Note: The potential energy of a…

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Q: Which of the following is an example of simple harmonic motion? to. The movement of a pendulum b.…

A: a motion is said to be simple harmonic if it moves to and fro about mean position and restoring…

Q: What is the relationship between pressure and amplitude?

A: Given: Pressure and amplitude

Q: Distant explosion can break glass windows. How?

A: An explosion is accompanied by spreading out of sound waves of large amplitude. When the sound waves…

Q: Shoaling is defined as     Changes in waves as they enter shallower water near the shoreline…

A: Vertical oscillations in waves whether at sea or near the coastline is called as Tide Bending of…

Q: The springs of a 1600 kg car compress 4.5 mm when it’s 65 kg driver gets into the seat if the car…

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Q: An object that completes 6 vibrations in 36 seconds has a frequency of? a) 0.58 hertz b) 6 hertz…

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Q: A roller coaster travels upward along the path r(t) = (t, t², ³) (position here is measured in…

A: See below

Q: 19. Two objects suspended from identical springs are set into motion. The period of one object is…

A: