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In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 45 N to the input piston, which has a radius r1. As a result, the output plunger which has a radius of r2, applies of force to the car. The ratio r2/r1 has a value of 8.3. Ignore the height difference between the input piston and output plunger and determine the force that the output plunger applies to the car.
Let there be a 6 volt energy source and a resistor of 10 ohms in a circuit. Determine the current and power
A heat pump uses 200 J of work to output 300 J of heat into a heat reservoir at 200 K. What is the coefficient of performance for the heat pump
An electron moves in the xy plane with a speed of 3.75 x 106 m / s at an angle 600 with the x-axis 300 and the axis. A magnetic field of 0.85T is in the positive direction of axis y. Find the magnetic force on the electron.
A 3.50e-6 F capacitor accumulates 51 ?C of charge when connected to a battery. What is the battery's voltage
There are two optical telescopes operating at the exact same frequency. The first telescope is a 10m telescope that is planned to be located at the L2 Lagrangain point 1.5 million kilometers past the orbit of the Earth. Which telescope will have ..
a uniform 12.0kg ladder is 4.0m long and is placed against a frictionless wall at 30 degress. find the frictionless force at the floor necessary to maintaain equilibrium
A capacitor has a very large capacitance of 10 F. The capacitor is charged by placing a potential difference of 2V between its plates. How much energy is stored in the capacitor
A 29? and a 41? resistor are in series, Find the current when this series combination is connected across a 12V battery
A crane weights 10500kg and the wrecking ball is 800kg. the arm of a crane can extend to a lenght of 22m. Whats the max speed of the wrecking ball
The surface charge density on an infinite charged plane is -2.3 10-6 C/m2. How far does the proton travel before reaching its turning point
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the gauge pressure of water in the hose
The intensity of a sound produced by a point source decreases as the square of the distance from the source. What is the maximum distance at which the riveter is still audible
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