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A shuffleboard disk is accelerated at a constant rate from rest to a speed of 7.3 m/s over a 2.4 m distance by a player using a cue. At this point the disk loses contact with the cue and slows at a constant rate of 3.2 m/s2 until it stops.
(a) How much time elapses from when the disk begins to accelerate until it stops?
(b) What total distance does the disk travel?
The radius of a park merry-go-round is 2.4 m. To start it rotating, you wrap a rope around it and pull with a force of 260 N for 11 s. What is the moment of inertia of the merry-go-round
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
Water flows straight down from an open faucet. The cross-sectional area of the faucet is 2.3 × 10-4m2, find the cross-sectional area of the water stream at a point 0.11 m below the faucet
A 10 g bullet traveling at 430m/s strikes a 11kg , 1.1-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
A car of mass 1450 kg traveling at 26 m/s is at the foot of a hill that rises 140 m in 2.4 km. Find the average power delivered by the car's engine
An object initially at rest explodes in two fragments of masses 2.6 kg and 3.3 kg that move in diametrically opposite directions. find the internal energy of the explosion
A boy is attempting to swim directly across a river; he is able to swim at a speed of 0.421 m/s relative to the water. The river is 2.48 m wide and the boy ends up at 4.77 m downstream from his starting point.
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
Find out the potential difference between a point.
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
Describe an experiment to measure the molecular weight Mw and the second viral coefficient B of a macromolecules in solution using osmotic pressur. Show how you would plot the experimental data.
A fish takes the bait and pulls on the line with a force of 1.8 N. The fishing reel, which rotates without friction, What is the angular acceleration of the fishing reel
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