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Question: Look at this applet. It shows an elevator with a small initial upward velocity being raised by a cable. The tension in the cable is constant. The energy bar graphs are marked in intervals of 600 J. Part A What is the mass m of the elevator? Use g=10m/s2 for the magnitude of the acceleration of gravity. Express your answer in kilograms to two significant figures.
On average, an electric water heater operates for 1.0h each day. What is the resistance of a typical water heater
q1. a flight attendant pulls her 70.0 n flight bag a distance of 274 m along a level airport floor at a constant speed.
Consider an ideal gas contained in a confined volume. How would the pressure of the gas change if..The number of molecules of the gas was double, without changing the container or the temperature?
A resistor of unknown resistance and a 48.0-? resistor are connected across a 128.0-V emf device in such a way that an 10.0-A current flows
A hunter wishes to cross a river that is 1.4km wide and flows with a speed of 5km/h parallel to its banks.
A train normally travels at a uniform speed of 72 km/h on a long stretch of straight, level track. how much time is lost in stopping at the station
A 0.10-kg balloon is filled with helium(density = 0.179 kg/m3). If the balloon is a sphere witha radius of 6.3 m, what is the maximum weight it can lift
Determine the speed of a satellite moving in a stable circular orbit around the Earth at a height of 2500 kilometer above the Earth's surface
Squeaky the balloon has been living large (diameter = 25 m) high above Santa ana college, where T= -20 Degree C, What is the air pressure at this point
A lighthouse sweeps its ray of light around in a circle once every 7.4 s. To an observer in a spaceship moving away from Earth, the ray of light completes one full circle every 11 s. What is the speed of the spaceship relative to Earth?
question a charge of -1.0 microc is located at the origin a second charge of 3.4 microc is located at x 0 y 0.1 m and
a cylindrical cistern constructed below ground level is 2.6m in diameter and 2.0 m deep and is filled to the brim with
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