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A proton moves 1.5 cm parallel to auniform electric field of E = 220N/C.
a) How much work is done by the field on the proton?b) What change occurs in the potential energy of the proton?c) What potential difference did the proton move through?
A ball traveling with an initial momentum of 2.5 kg m/s bounces off a wall and comes back in opposite direction with a momentum of -2.5 kg m/s. What is the change in momentum of the ball
Gas in a container is at a pressure of 2.4 atm and a volume of 3.8m3. what is the work done on the gas if it expands at constant pressure to twice its initial volume?
A series RC circuit, which is made from a battery, a switch, a resistor, and a 4.0-µF capacitor, has a time constant of 8.0 ms. what is the resulting time constant
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Find the speed of the wreckage just after the collision
question1assume two boxes on a frictionless table are linked by a heavy cord of mass 1.0 kg. compute acceleration
A thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs (indicated as -Q1 in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.7e-05 coulombs..
A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. What is the minimum angle between the ladder and the floor
A U-shaped tube open to the air at both ends contains some mercury. Calculate the vertical distance h from the top of the mercury in the right-hand arm of the tube to the top of the water in the left-hand arm
A man walks south at a speed of 2.00 m/s for 16.0 minutes. He then turns around and walks north a distance 2000 m in 15.0 minutes. What is the average speed of the man during his entire motion
A child fires a slingshot pellet into the air with a speed of 66m/s. How high above the starting level will it go
An engine absorbs 1.72 kJ from a hot reservoir at 277°C and expels 1.24 kJ to a cold reservoir at 27°C in each cycle. What is the power output of the engine if each cycle lasts 0.303 s
A 0.500 kg block is attached to one end of a 4.00 g string. The other end of the string is secured to the center of a frictionless tabletop. What type of force must the tension in the string provide
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