Physics, 30.01.2020 10:46 hartmaaj95
Asound signal traveling underwater has a frequency of 230 hertz. the speed of sound under water is 1.45 × 103 meters/second. what is the wavelength of the sound signal?
Answers: 3
Physics, 21.06.2019 22:50, peno211
Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.
Answers: 2
Physics, 22.06.2019 14:00, 19greenlymoos
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Asound signal traveling underwater has a frequency of 230 hertz. the speed of sound under water is 1...
Mathematics, 12.10.2020 21:01
Mathematics, 12.10.2020 21:01
Mathematics, 12.10.2020 21:01
Physics, 12.10.2020 21:01