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(a) A 1.11 kg mass is at the center of a uniform spherical shell of mass 1.09 1020 kg and radius 1.07 106 m. Find the resultant gravitational force on the mass.
(b) Find the resultant gravitational force on the mass if it is placed just outside the shell.
magnitude =
direction =
(c) Find the value of g just outside the shell.
A grasshopper jumps a horizontal distance of 1.50 m from rest, with an initial velocity at a 41.0° angle with respect to the horizontal. Find the initial speed of the grasshopper
At time 0 a grinding wheel has an angular velocity of 30. It has a constant angular acceleration of 35 until a circuit breaker trips at time = 2.20. From then on, wheel turns through an angle of 428 as it coasts to a stop at a constant angular dec..
A 16-QAM modulator with 2 voltage levels uses maps the symbols on equal phases on both voltage levels. Draw the signal space (constellation) for your assumed phase angles.
An electric field of intensity 2.5 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.70 m long if the following conditions are true.
An airplane is flying at v=100m/s along the straight line at an altitude h=5000m. At the instant when it is over an anti-aircraft battery, a rocket is fired at 500m/s to bring the plane down
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q1. a projectile is fired horizontally from a gun that is 48.0 m above flat ground emerging from the gun with a speed
q1. a loudspeaker is placed between two observers who are 120 m apart along line connecting them. if one observer
An electron of kinetic energy 1.58 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 33.0 cm. Find the circling frequency (in Hz)
An alpha particle travels at a velocity of magnitude 420 m/s through a uniform magnetic field of magnitude 0.061 T. compute the magnitude of the acceleration of the particle
Two cars are 1.35km apat and starting com rest mov directly toward each other. Car a has an acceleration of .37 m/s2 and car b has acceleration of .52 ms2
A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 24.0 cm, Calculate the speed of the proton
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