Physics, 10.03.2021 23:20, hickslily9
A common design for a spotlight uses a lens and a mirror, combined with a gas-discharge lamp, to project a powerful parallel beam of light. Where are the lens and mirror positioned?
Answers: 2
Physics, 22.06.2019 17:30, evanwall91
Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.
Answers: 2
Physics, 22.06.2019 18:30, ptrlvn01
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
Physics, 22.06.2019 22:00, steven2996
Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m
Answers: 1
A common design for a spotlight uses a lens and a mirror, combined with a gas-discharge lamp, to pro...
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