Physics, 19.07.2019 01:30, izzythe5th
Suppose that the sound level of a conversation is initially at an angry 70 db and then drops to a soothing 50 db. assuming that the frequency of the sound is 500 hz, determine the (a) initial and (b) final sound intensities and the (c) initial and (d) final sound wave amplitudes.
Answers: 1
Physics, 21.06.2019 16:40, masonsee4ytube
Aforce of 34.5 newtons is applied to an object at an angle of 45 ยบ with the horizontal. what is the force acting on the object in the horizontal direction?
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Physics, 22.06.2019 09:50, blaqsafire9291
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Physics, 22.06.2019 16:30, safiyyahrahman6907
One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.
Answers: 1
Suppose that the sound level of a conversation is initially at an angry 70 db and then drops to a so...
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