Physics, 01.11.2019 03:31 amariyanumber1923
In which of the following situations is the most work done on the object? a. holding a 50 kg object. b.carrying a 30 kg object down a 40 m long hallway. c.lifting a 20 kg object 1 m up. d.carrying a 15 kg object upstairs from the first to the second floor. e.lowering a 25 kg object from a second story balcony to the ground
Answers: 3
Physics, 21.06.2019 15:50
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point p, which is 0.50 m from the center of the sphere, is 15,000 n/c and is directed radially outward. what is the maximum magnitude of the electric field due to this sphere
Answers: 2
Physics, 23.06.2019 00:00
Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
Answers: 2
Physics, 23.06.2019 02:30
An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km,a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?
Answers: 3
In which of the following situations is the most work done on the object? a. holding a 50 kg object....
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