An elevator is able to raise 9800 n to a height of 22 m in
An elevator is able to raise 9,800 N to a height of 22 m in 14 s.
(a) How much work does the elevator do?
(b) What is the elevator's power output?
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At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m. How fast will the payload be traveling when it reaches the bottom of the shaft
find values of resistance, voltage, and current for total and all 3 voltage drops where only certain information is given out of three voltage drops info given total voltage is 12v, resistance 1 is 2.2KO, resistance 2 is 1.6KO, and resistance 3 is
The mass per unit volume of a substance is called density (density = mass/volume). Arrange the following in order of increasing density - air, exhaust from chimney, honey, water, chalk, cotton, and iron.
For a certain reaction, = 8.38×10?4 and 9.24×10?5 . Calculate the value of the reverse rate constant, , given that the reverse reaction is of the same molecularity as the forward reaction.
An elevator is able to raise 9,800 N to a height of 22 m in 14 s. How much work does the elevator do
A semiconductor has Nc=10^19 cm^-3, Nv=5x10^18 cm^-3 and Eg=2eV. If it is doped with 2x10^17 acceptors (fully ionized), calculate the electron, hole and intrinsic carrier concentrations at 627 C. Sketch the simplified band diagram, showing the pos
It takes 150 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. What is the bicyclist's average power output
Role services installed by default and project enables you to install the Web Server role via Server Manager.
A 3 phase induction motor operating from 415 volt system devlope an output of 25kw at efficiency of 0.88 per unit with an operating power factor of 0.85 lagging cal the input line current of the motor How much phase current will flow in each phase of
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