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A solid spherical mass M2 = 30 kg and radius 20 cm is concentric with a spherical shell M1 = 60 kg and radius 28 cm as shown. A point mass m = 50 grams is at a distance of 24 cm from M2 the center of the solid sphere. Based on the shell theorems, determine the gravitational force on mass m.
A small glass bead charged to 7.4nC is in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod, What is the total charge on the rod
A block of ice at 0 degrees C, whose mass is initially 30.0 kg, slides along a horizontal surface, starting at a speed of 5.56 m/s and finally coming to rest after travelling 21.8 m. figure out the mass of ice melted (in grams) as a result of frictio..
A 1.82-cm high object is placed 22.0 cm in front of a concave mirror with a 3.55-cm focal length. What is the position of the image
A 1.00 kg beaker containing 2.0 kg of oil (density=916-kg/m3) rests on a platform scale. A 2.00 kg block of iron is suspended from a spring scale and is completely submerged in the oil.
You need to produce a solenoid that has an inductance of 2.55 ?H . You construct the solenoid by uniformly winding 1.07 m of thin wire around a tube. How long, in centimeters, should the tube be
An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. (a) If she is swimming initially in the positive x-direction, determine her average velocities symbolically in (a) the first hal..
How much greater is an angular momentum of the Earth orbiting about the sun than the moon orbiting about the Earth? (Set up a ratio of angular momenta using data on inside back cover. The period of the moon is about 27.3 days.)
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
An aircraft with a mass of 956 kg accelerates from 0 to 92 m/s in 6.7 seconds, What is the kinetic energy of the aircraft when the aircraft launches
What is volume concentration
What is magnitude of the net force on the student
Consider an experiment where a subject lands during two conditions from a height of 0.2 m. During the first landing condition, the subject lands 'stiffly' (e.g., very little knee flexion).
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