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Question: A stone is dropped at t = 0. A second stone, with twice the mass of the first, is dropped from the same point at t = 115 ms.
Part A: How far below the release point is the center of mass of the two stones at t = 392 ms?
I need help to find how far below the release point is the center of mass of the two stones.
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
The area enclosed with the wire loop in the figure below is reduced from 27 cm2 to 9 cm2 in a time interval of 0.09 s. The magnitude of the magnetic field is 0.46 T. Discover the emf induced in the wire.
A 5.70 kg object on a horizontal frictionless surface is attached to a spring with spring constant 940 N/m. What is the frequency of the motion
When a proton (+1.6 x 10^-19 C) moves .10 m along the direction of an electric field of strength 3.0 N/C, what is the magnitude of the electrical potential difference between the protons initial and ending points
Three charges are fixed to an x, y coordinate system. A charge of+14 µC is on the y axis aty = +3.0 m. A charge of -14µC is at the origin. Finally, a charge of +45 µC is on the x axis at x =+3.0 m.
Consider a very long solid insulating cylinder with radius a and with positive net charge 2Q inside a conductor cylinder same length with inner radius b and external radius c with the same central axes and a net charge -Q(radius a
question what fraction of the power radiated by the sun is intercepted by the planet mercury? the radius of mercury is
When a glass rod is rubbed by silk it (the rod) becomes positively charged. This happens because___ Electrons are created on the rod. Electrons are transferred from the silk to the rod
Two microphones are located on the Y axis. One(1) is at the origin and the other(2) is at y= 1.5 meters. how far is the source of sound from each microphone
a helicopter is using a steel cable to lift a 2200 kg jeep. the unstretched length of the cable is 12m and its radius is 5.0mm. by what amount does the cable stretch
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. A bicyclist moving in the similar direction with one third the car's speed hears a frequency of 415 Hz. What is the speed of the car? Is th..
A uniform chain of length L and mass M is lying on a smooth table and one-third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the workrequired to pullthe hanging part on to the table is
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