Physics, 23.01.2020 07:31, younganastasia1
An object with a mass of 1.5 kg changes it's velocity form +15 m)s to +22 m/s during a time interval of 3.5 seconds. what impluse was delivered to object?
a) 3.0 n • s
b) 11 n • s
c) 25 n • s
d) 56 n • s
Answers: 2
Physics, 21.06.2019 16:00, mohamedramadan
Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz
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Physics, 22.06.2019 13:40, sbudlove2838
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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