Physics, 04.10.2020 22:01 davidb1113
A penny is dropped from the top of a 180m building. How much time will it take to fall to the ground?
Answers: 3
Physics, 22.06.2019 02:30
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.
Answers: 1
Physics, 22.06.2019 05:10
What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
Answers: 1
Physics, 22.06.2019 19:50
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4ΟΞ΅ 0 = 8.99 Γ 109 n Β· m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to
Answers: 1
Physics, 22.06.2019 23:00
Awelder using a tank of volume 7.50Γ10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30Γ10^5 pa and temperature of 37.1 βc. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 βc, the gauge pressure of the oxygen in the tank is 2.00Γ10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
A penny is dropped from the top of a 180m building. How much time will it take to fall to the ground...
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