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Two figure skaters, one weighing 625N and the other 775N , push off against each other on very smooth ice.
Part AIf the heavier skater travels at 1.60m/s , how fast will the lighter one travel?v = _________m/sPart BHow much kinetic energy is "created" during the skaters' maneuver?K = _________JPart CWhere does this energy come from?
A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign
questiona professional race-car driver buys a car which can accelerate at 89.0 ms2. the racer decides to race beside
Two point charges of +20.0 ?C and -8.00 ?C are separated by a distance of 20.0 cm. What is the intensity of electric field E midway between these two charges
An interference filter has an effective bandwidth of 10 nm. Would it be feasible to employ such a filter to isolate the calcium emission line at 422.7 nm from the potassium emission line at 404.4 nm? Assume that the signals are triangular in shape. S..
An insulating sphere has a total excess charge Q distributed uniformly throughout the shere. Use Gauss's Law to calculate the electric field inside the sphere at a distance r
As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, find the average acceleration vector of the football
A 3.92 m long rod has mass 1.04 kg which is uniformly distributed along the rod. what is the magnitude of the angular acceleration of the rod
A ball experiences a change in momentum of 12.5 N·s. If the time of interaction is 0.18 s, what is the magnitude of the average force acting on the ball
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 4.50 m/s2
A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. How long does it take the spool to reach this angular speed
question1a shopper pushes a cart 49 m south down one aisle and then turns 90.0deg west and moves 16 m. he after that
Physics: Simple Harmonic Oscillator, Traveling waves are set up in a pair of long strings by a simple harmonic oscillator. The strings have identical mass densities of 5.1 grams/meter.
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