Physics, 12.11.2020 18:50 aseel667789
.The distance between a speaker and a listener is 8.0 m. Determine the frequency of the
sound wave if exactly 20 waves are formed before sound reaches the listener. (Speed of
sound in air is 340 m/s
Answers: 2
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 15:00
You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
Answers: 1
Physics, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
.The distance between a speaker and a listener is 8.0 m. Determine the frequency of the
sound wave...
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