Physics, 27.03.2020 04:56 michaelcarroll4228
2. A small piece of dust is located in between two oppositely charged parallel plates where there exists a uniform electric field of magnitude E = 5000N/C. The dust is made up of 1x1015 protons (1 Quadrillion). The distance between the plates is 5cm. a) What is the total charge on the dust particle? b) If the charge moves from the positive plate to the negative plate, what is its change in potential energy? c) We’ve often used the analogy of mass and gravity to understand charge and electric fields. Suppose you placed a bead of mass 0.05kg (50g) on an inclined plane. How tall should the inclined plane be if the bead is to experience the same change in potential energy as the charge between the plates? Give your answer in centimeters
Answers: 3
Physics, 22.06.2019 11:00
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
Physics, 23.06.2019 02:20
Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00
Answers: 1
2. A small piece of dust is located in between two oppositely charged parallel plates where there ex...
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