Atennis ball traveling at 25.0 m/s has a mass of 58.5 g and bounces off a wall with a speed of 22.5 m/s. the impact took 3.33 ms. what is the magnitude of the average force exerted by the wall on the tennis ball? assume the ball travels horizontally perpendicular to the wall both before and after it hits the wall.
Answers: 1
Physics, 21.06.2019 23:20, nathalyviruete
Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons
Answers: 1
Physics, 22.06.2019 01:00, raweber
Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?
Answers: 1
Physics, 22.06.2019 03:00, nkidder
An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
Answers: 2
Atennis ball traveling at 25.0 m/s has a mass of 58.5 g and bounces off a wall with a speed of 22.5...
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