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A 10.64 kilogram bowling ball at 0°C is dropped into a tub containing a mixture of water and ice. A short time later, when a new equilibrium has been established, there is 7.61 gram less ice. Determine from what height was the ball dropped? Suppose no water or ice splashes out.
A model rocket is constructed with a motor that can provide atotal impulse of 21.0 N·s. The mass of the rocket is 0.243kg. What is the speed that this rocket achieves when it is launchedfrom rest? Neglect the effects of gravity and air resistance.
what would be the restoring force on the pendulum at an angle of 6.24deg from the equilibrium
A proton is passing the origin. The magnetic field at the (x,y,z) position ( 1mm , 0 mm, 0 mm)is 1.0×10?13?^T. what is the direction of the proton
A bead of mass m slides without friction down a track and around a loop-the-loop of radius R. The initial height of the track is h = 3.5R. What is the speed of the mass after going around the loop
Draw a sketch that shows the distribution of dipoles in a ferromagnetic solid in zero applied magnetic field. Illustrate what is the name given to internal interaction acting on the dipoles
To measure the speed of a bullet, the following situation is setup. A wooden block(m=0.50kg) is put on top of a fencepostwith a height of 1.5m. The bullet (m=.010kg) strikes theblock from a perfectly horizontal direction and remains embedded init. Th..
A standard 100 W (120 V) lightbulb contains a 7.40 cm-long tungsten filament. What is the diameter of the filament
Two points are located on a rigid wheel that is rotating with an increasing velocity about fixed axis. The axis is perpendicular to the wheel at its center. Point 1 is located on the rim and point 2 is halfway between rim and axis .at any given insta..
A helicopter is moving horizontally to the right at aconstant velocity. The weight of the helicopter is W =53800N. what is the magnitude of the lift force
When 200nm light is incident on the cathode of a photoelectric tube, the stopping potential is 4.2V. A) Find the velocity of the most energetic electron emitted from the cathode when the incident light on the cathode is 100nm. B) Find the cutoff wave..
To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass is dropped onto the mat from a height of 1 m above the mat. How much work does the mat do to stop the fall of the cylinder
Two persons start at the same place but walk around a circular lake in opposite directions. Their angular speeds are 1.90 x 10-3 rad/s and 3.10 x 10-3 rad/s, respectively. How much time elapses before they meet
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