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A proton with mass 1.67×10−27 kg and charge 1.60×10−19 C accelerates from rest in a uniform electric field of strength 500 N/C.
(a) What is the magnitude of the acceleration of the proton?
(b) How long does it take the proton to reach a speed of 35,000 m/s?
(c) What distance has the proton traveled when it reaches this speed?
(d) What is the kinetic energy of the proton at 35,000 m/s?
Bob, of mass m, drops from a tree limb at the same time that Esther, also of mass m, begins her descent down a frictionless slide. If they both start at the same height above the ground, which is true about their kinetic energies as they reach the gr..
A 49.7 kg sled starts at rest on a horizontal road. The coefficient of kinetic friction between the sled and the road is ?k = 0.247. estimate the work done by the frictional force on the sled
Starting with the equation E=mc^2, determine the ratio of MeV per AMU. For initial values, use 1 AMU = 1.66x10^-27 kg and c = 3.00x10^8 m/sec.
A bicyclist rides 3.97 km due east, while the resistive force from the air has a magnitude of 7.84 N and points due west. Find the work done by the resistive force during the round trip
A golfer hits a ball from the origin with an initial speed of 30.0m/s at an angle of 50 degrees above the horizontal. what is the speed and direction of motion of the ball just before it lands
A 7.05 10-3-kg plastic ball with a charge -0.156 µC is suspended from a ceiling with an insulating thread such that the ball stays between the plates of the capacitor. What is the magnitude of the electric field between the plates
A steel cable with a total length of 22.6 m and total mass of 68 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
A 2 kg block and a 3 kg block are pushed across a 2 m long frictionless table, Compare the kinetic energies of the two blocks when they reach the end of the table
A 5.0 Ω resistor is connected in series with a10.0 Ω resistor. This combination is thenconnected in parallel with a 7.5 Ω resistor. Thethree resistor network is then connected in series with a15 Ω resistor. T
q1. a solid cylindrical disk has a radius of 0.14 m. it is mounted to an axle that is perpendicular to the circular end
An optical disk drive in your computer can spin a disk at up to 10,000 rpm. If a particular disk is spun at 8690 rpm while it is being read, what is the magnitude of the linear acceleration of a point 1/11 of the way out from the center of the disk
Two pipes of equal length are each open at one end. Each has a fundamental frequency of 480 Hz at 300 K. In one pipe the air temperature is increased to 305 K. If the two pipes are sounded together, what beat frequency results?
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