Physics, 11.01.2020 12:31 laurelbrasi
Light is incident on a piece of glass in air at an angle of 33 degrees from the normal. if the index of refraction of the glass is 1.5, what is the angle in degrees that the refracted ray makes with the normal?
Answers: 1
Physics, 21.06.2019 19:40
Wo audio speakers are placed on a vertical rail. speaker a is placed at head-level while speaker b is place at some variable height, \delta yδy, above speaker a. both speakers receive simultaneous input from a sine-wave generator so the speakers each produce a pure sinusoidal sound wave with a wavelength of 0.531 meters. calculate the lowest height that speaker b can be placed above speaker a to produce a minimum of sound heard by person standing \delta x = 7.86δx=7.86 meters directly in front of speaker a.
Answers: 2
Physics, 21.06.2019 21:20
Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.
Answers: 1
Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 1
Light is incident on a piece of glass in air at an angle of 33 degrees from the normal. if the index...
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