Physics, 18.03.2020 23:34 krystinayagel013
A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s
Answers: 3
Physics, 22.06.2019 17:40
Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
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Physics, 23.06.2019 02:30
Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.
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Physics, 23.06.2019 02:40
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Physics, 23.06.2019 17:00
7)an object is thrown straight up with an initial velocity of 3 m/s. what is its acceleration at its maximum height? a)zero b)3 m/s2 c)-9.8 m/s2 d)none of the above
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A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343...
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