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A 2 kilogram box slides on a rough, horizontal surface, hits a spring with a speed of 2.20 meter per second and compresses it a distance of 11 centimeter before coming to rest. Evaluate what the force constant of the spring, if the coefficient of kinetic friction between the block and the surface is uk = 0.660.
an astronaut on a distant planet wants to determine its acceleration due to gravity. the astronaut throws a rock
A particle moves along the curve y=cos(x) from x=0 to x=?/2 under the action of the force F=(3xN)i+(4yN)j. Determine the work done by the force on the particle
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 17 m/s, What is the y component of the car's acceleration when it is at point B
Nitrogen at 5 X 10^5 Pa and 80 degrees C is on one side of a partition, occupying 1/3 of the volume of a 1.2 m^3 container. find the final pressure and temprature
Use the equation Q = (m)(c)(change in T) to calculate the heat "lost" by the hot water. Show your work using the problem-solving method shown in previous rubrics. The specific heat for water (c) is 4186 J/(kg * Co).
An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 18 L to 4.5 L. Note: Atmospheric pressure is 1.013x105 Pa. By how many cubic meters is the volume reduced? What is the work done on the gas? What was the change in the intern..
two players hit an air hockey puck simultaneously. one player hits the puck with a force 4.75 at an angle 23.9. the
A car drives west on sw 8th street at a speed of 30.7 mph. The driver hits the brakes and the car slows down with a constant acceleration of 4.8 m/s^2
Two boats start together and race across a 72 km wide lake and back. Boat A goes acrossat 72 km/h and returnsat 72 km/h. Boat B goesacross at 36 km/h, and itscrew, realizing how far behind it is getting, returnsat 108 km/h.
A bartender slides a beer mug at 1.5 m/s towards a customer at the end of a frictionless bar that is 1.2m tall. how far way from the end of the bar does the mug hit
In electronics it is customary to describe the potential of ground (thinking of the earth as a large conductor) as zero. Is this consistent with the fact that the earth has a net electric charge that is not zero? (Refer to ex. 21.32)
A space vehicle is coasting at a constant velocity of 23.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.395 m/s2 in the +x directio..
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