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Part A: How much work does the electric field do in moving a proton from a point with a potential of +135V to a point where it is -70V?
Express your answer in joules. Express your answer using two important figures.
Part B: Express your answer in electron volts. Express your answer using two important figures.
A 1m long cantilevered beam of rectangular cross section carries a uniform load of (w = 15 kN/m). The design specification calls for a 5-mm maximum deflection of the end of the beam. The beam is to be constructed of fir (E = 13 GPa). By analysis, det..
Find how many grams of carbohydrate does a person of mass 74 kilogram need to metabolize to climb five flights of stairs, Explain what happens to the other 90 percent of the energy
At night, the pupil of a human eye can be considered to be a slit by a diameter of 8.0 mm. The diameter would be smaller in daylight. An automobile’s headlights are separated by 1.8 m. How far away can the human eye distinguish the two headlights at ..
A point charge of magnitude 9.15uC is at the center of a cube with sides of length 0.470m. find the electric flux through each of the six faces of the cube
An ion accelerated during 240.00 V has its potential energy decreased by potential energy of 7.68 multiply.gif 10-17 J. Compute the (magnitude of the) charge on the ion.
A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring by spring constant 550N/m. The other end of the spring is anchored against a wall. What is the speed o..
A uniform ladder of mass M and length L stands on rough horizontal ground and leans against a smooth vertical wall with which it makes an angle ?. A man of mass m stands on the ladder a distance x from the bottom. Obtain expressions for the normal..
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10m/s, What were the original speeds of the two cars
a circus performer stretches a tightrope between two towers. he strikes one end of the rope and sends a wave along it
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
A small plane takes off and flies 12.0 kilometer in a direction south east of the airport. Find the magnitude of the plane resultant displacement from the airport
a 6cm diameter horizontal pipe gradually narrows to 4cm. whenwater flows throught this pipe at a certain rate the
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