Physics, 22.04.2020 21:32 desiiraee6265
If you exert a force of 600 N to walk 4 meters up a flight of stairs in 5 seconds, how much power did you use? W = F x D and P = W/T
A - 180 watts
B - 280 watts
C - 380 watts
D - 480 watts
Answers: 2
Physics, 22.06.2019 05:00, masie03
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 18:30, sarinaneedshelp01
A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?
Answers: 3
If you exert a force of 600 N to walk 4 meters up a flight of stairs in 5 seconds, how much power di...
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