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A bullet of mass 7.00 g is fired horizontally into a wooden block of mass 1.15 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.250. The bullet remains embedded in the block, which is observed to slide a distance 0.270 m along the surface before stopping.
What was the initial speed of the bullet?
A third charge of +8.00nC is placed in problem 2) 5 cm south of origin. What would be the electric force (magnitude and direction) at this point
Near the surface of the Earth a small object of mass m = 0.5 kg, on the end of a light cord, is held at an angle of 45 degrees from the horizontal and a distance R from a fixed support The object is then released from rest.
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
A spring-loaded gun, fired vertically, shoots a marble 9.2 straight up in the air. What is the marble's range if it is fired horizontally from 2.3 above the ground
One mole of ideal monatomic gas undergoes the cycle, consisting of an isothermal process AB at temperature 400 K, an isobaric process BC, Find the work done for the entire cycle
A proton accelerates from rest in a uniform electric field of 670 N/C. At some later time, its speed is 1.38 106 m/s. How far has it moved in that interval
A projectile with mass .065 kg is fired at and embeds itself in a pendulum with mass .19 kg. What is the percent kinetic energy loss during the perfectly inelastic collision
During an all-night cram session, a student heats up a 0.668 liter (0.668 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
An iron ball is swung in a vertical circle at the end of a 0.7 m string. How slowly, in ft/s, can the ball go during its top position without having the string go slack?
A circular beaker is 40 cm tall and has a radius of 2 cm. Itinitially holds water at a depth of 25cm. What is the pressure at the bottom of the beaker
A 15.0 kg bucket of water is suspended by a very light rope wrappedaround a solid uniform cylinder 0.300 m in diameter with mass 12.0kg. What is the time of the fall
You are to make four straight-line moves over a flat desert floor,starting at the origin of an xy coordinatesystem and ending at the xy coordinates(-145 m, 36 m). The xcomponentand y component of your moves are the following,respectively, in meter..
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