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A 190g ball is dropped from a height of 1.9m , bounces on a hard floor, and rebounds to a height of 1.4m . The figure shows the impulse received from the floor.
What maximum force does the floor exert on the ball?
A 4.7×10?2-T magnetic field passes through a circular ring of radius 2.8cm at an angle of 14?with the normal, Find the magnitude of the magnetic flux through the ring
light bulb has a resistance of 260 . It is connected to a standard wall socket (120 V rms, 60.0 Hz). Determine the rms current in the bulb
Two point charges are separated by d= 10 cm and have charges of q1= +2(mu)C and q2= -2 (mu)C, respectively, What is the magnitude of the electric force between the two charges
What is the minimum coefficient of friction between tires and road that would allow cars to take the turn without sliding off the road.
A car takes 11 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using equation d = 1/2 at2, what value should you use for a.
A skier of mass 73 kg is pulled up a slope by a motor-driven cable, What power (expressed in hp) must a motor have to perform this task
A distant galaxy is simultaneously rotating and receding from the earth. As drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.8 x 10^6 m/s.
A rod of length ? with uniform charge per unit length ? , where ? > 0, is placed a distance d from the origin along the x axis, The segment is at a distance x from the origin, Determine the electric field
A long wire is known to have a radius greater than 5.6 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
What is kinetic energy of the shell
A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V? There should be an x1 and an ..
A 1600 kg car is traveling along a straight road at 17 m/s. Two seconds later its speed is 24m/s. What is the magnitude of the net force on car during this time.
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