Physics, 19.05.2021 22:10 crystalpearl188
A large conducting sphere with a large net negative charge is brought close to but does not touch a small, uncharged conducting small sphere. A wire connects the small sphere to a metal plate. If the wire to the metal plate is disconnected and the large sphere is removed, what are the charges on the smaller sphere and on the metal plate?
Answers: 2
Physics, 22.06.2019 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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