If the amplitude of a system moving in simple harmonic motion is doubled, which of the following quantities doesn’t change?

1.total energy
2.maximum speed
3.maximum acceleration
4.period


4

Physics & Space Science

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A certain glass window reduces the intensity level of the sound from 72 dB to 47 dB. By what factor is the acoustic power reduced by this glass window?

A) 3.2 × 10-3 B) 2.2 × 10-2 C) 5.6 × 10-2 D) 1.0 × 10-1 E) 1.5 × 10-1

Physics & Space Science

The frequency and the wavelength of a wave are ______________ proportional

Fill in the blank(s) with correct word

Physics & Space Science

What is the average power dissipation in an RLC series circuit with R = 10?, L = 0.1 H, C = 10 ?F when driven at resonance by a 100 V-rms source?

a. 100 W b. 500 W c. 1000 W d. 2 kW e. 700 W

Physics & Space Science

The uncharged particle inside an atom is a neutron

Indicate whether the statement is true or false

Physics & Space Science