Physics, 23.12.2020 18:30 rebeccacruzz2017
4. A 1.20 x 10^3 kg cannon fires a 8.00 kg cannon ball.
If the acceleration of the cannonball is 1.40 x 10^3 m/s^2 to the left, find the acceleration of the
cannon.
Answers: 2
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Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
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Physics, 22.06.2019 12:30
When a vertical beam of light passes through a transparent medium, the rate at which its intensity i decreases is proportional to i(t), where t represents the thickness of the medium (in feet). in clear seawater, the intensity 3 feet below the surface is 25% of the initial intensity i0 of the incident beam. what is the intensity of the beam "10" feet below the surface? (give your answer in terms of i0. round any constants or coefficients to five decimal places.)
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Physics, 22.06.2019 18:00
Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Answers: 2
4. A 1.20 x 10^3 kg cannon fires a 8.00 kg cannon ball.
If the acceleration of the cannonball is 1....
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