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A moving block slides to a stop on a table due to friction.Is the momentum conserved? Why?
Suppose that an object moving 5 m/s faster than a second object collides elastically with that second object. Now how much faster is the second object moving compared to the new speed of the first object?
Abe and Bob are bird-watching, hoping to add a particular song bird to their "life list" of species. They agree to split up so they can cover a larger area. Bob is as far away as possible, such that he can still hear the bird. How far away is he fr..
A satellite is in an elliptical orbit at altitudes ranging from 250to 890 km. At the high point it's moving at 7.23 km/s. How fast isit moving at the low point?
A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 8.03 mm. The nozzle shoots out water moving at 25.5 m/s. At what speed is the water in the hose moving
How many electrons should be removed from an initially uncharged spherical conductor of radius 0.300 m to produce a potential of 5.00 kV at the surface
A block of mass m1 = 3.15 kg on a frictionless plane inclined at angle = 32.5° is connected by a cord over a mass less, frictionless pulley to a second block of mass m2 = 2.45 kg hanging vertically (see the figure).
A 15.0 kilogram kid on a 3.00 meter long swing is released from rest when the ropes of the swing create an angle of 33.0 degree with the vertical. calculate the kid's speed at the lowest position
An asteroid of mass 51,000 kilogram carrying a negative charge of 12µC is 180 meter from a second asteroid of mass 56,000 kilogram carrying a negative charge of 12µC. find the net force the asteroid exerts upon each other
The person shown below is pushing on a refrigerator that sits on a level floor. Assume the floor is very slippery so that the only horizontal force on the refrigerator is due to the person. find the magnitude of the refrigerator's acceleration
A mass of 50 kg is suspended from a steel wire of diameter 1.0 mmand length 11.2 m. How much will the wire stretch
A 13.5?F capacitor is connected to a power supply that keeps a constant potential difference of 26.0V across the plates. How much energy is stored in the capacitor before the dielectric is inserted
You have a 240- resistor and a 0.420-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 33.0 V, What is the voltage amplitude across the resistor
Assume that experimental studies of turbulent-jet methane-air diffusion flames have been performed under the following sets of conditions of jet exit diameter D and average jet exit velocity U
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