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Along an equipotential line is it possible to move a charge with no loss of energy?
A block with mass m = 5.00 kg slides down a surfaceinclined 36.9 to the horizontal (see figure below). The coefficientof kinetic friction is 0.22. A stringattached to the block is wrapped around a flywheel on a fixed axisat O.
If the force needed to stretch the bungee cord is 436 N, what is the velocity of a wave on this bungee cord?
A parallel-plate capacitor in air has a plate separation of 1.49 cm and a plate area of 25.0 cm2. The plates are charged to a potential difference of 255 V and disconnected from the source.
A rock weighing 7150 N rock with a volumeof 34 L is completely submerged inmercury. The density of mercury is 13.6 kg/L. Determine the buoyant force on the rock
An open switch, a 6.09 kohm resistor and a 4.15 microfarad capacitor are connected in series across a 17.0V battery. The capacitor starts with no stored charge. Find the time constant. The switch is closed. What is the time until 70 percent of full..
If the final volume of the balloon is 144.53 L at a temperature of 5.24 °C, what is the pressure experienced by the balloon as it clears Mount Crumpet?
A 1.7kg block oscillates on a spring with spring constant 16N/m . At t = 0 s the block is 20 cm to the right of the equilibrium position, obtain the period of the oscillation.
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 62.4° above the horizontal. By how much does the rocket clear the top of the wall
A 62 kg woman cheats on her diet and eats a 637 Calorie (637 kcal) jelly donut for breakfast. How many stairs must the woman climb to perform an amount of mechanical work equivalent to the food energy in one jelly doughnut
You need to use a 21-cm-focal-length lens to produce an inverted image one third the height of an object. At what distance from the object should the lens be placed? Express your answer to two significant figures and include the appropriate units.
A hydraulic jack is made by a small piston 1.3 cm in diameter that is utilized to move a large piston 6.1 cm in diameter. If a man can exert a force of 360 N on the small piston, how heavy a load can he lift by the jack?
If Mickey has a constant horizontal speed of 2.47 m/s while he is flying through the air, how high above his initial location in the gun does Mickey soar?
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