Physics, 27.03.2020 01:02 kristinmonkey
A physics teacher (mass = 80.4 kg) is jogging through the woods and runs straight into a large oak tree at 4.9 m/s. Rebound speed is measured at 4.0 m/s in the opposite direction. If the time of contact with the tree is 56 milliseconds, what is the magnitude of the force that the tree exerts on the teacher?
Answers: 2
Physics, 21.06.2019 14:30
How much work does the charge escalator do to move 2.30 μc of charge from the negative terminal to the positive terminal of a 3.00 v battery?
Answers: 1
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.)
Answers: 2
Physics, 22.06.2019 17:30
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
Answers: 3
A physics teacher (mass = 80.4 kg) is jogging through the woods and runs straight into a large oak t...
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