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Three masses ( 3kg 5kg 7kg) are located in the xy-plane at the origin, (2.3 m, 0), and (0, 1.5 m), respectively. Determine the center of mass of the system. If a 6kg mass is added to the system, this four mass system has a new center of mass at the origin. What is the location of the 6 kg mass?
A marble is rolled down a ramp with a height of .15 m. The marble travels a distance of 1.38 m. What is the velocity of the marble
A thin rectangular plate of uniform area density ?1 = 1.14 kg/m2 has a length a = 0.540 m and a width b = 0.230 m. find the distance from the origin of the resulting plate's center of mass
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima
A 500-kg package slides 1.50 m down a long ramp that is inclined at 24.0 degree below the horizontal. The coeficient of kinetic friction between the package and the ramp is uk+0.310.
What is effectiveness of battery as an energy storage device
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 67.2° above the horizontal. The rocket is fired toward an 11.0 m high wall, By how much does the rocket clear the top of the wall
q1. a 35.0-kg child swings in a swing supported by two chains each 2.90 m long. the tension in each chain at the lowest
A hollow metal sphere has inner radius a, outer radius b, and conductivity sigma. Evaluate the electric field strength at the inner surface of a copper sphere if 0.70cm and 28A
A box stands against the wall of a cylinder that is rotating. The cylinder has a radius of 30cm. What is the minimum consant speed (magnitude of linear velocity) the box must move so it doesn't slip
A bullet of mass 7.00g is fired horizontally into a wooden block of mass 1.21kg resting on a horizontal surface. compute the initial speed of the bullet
You are participating in league bowling with your friends. Time after time, you notice that your bowling ball rolls to you without slipping on the flat section of track. What is the magnitude of the angular acceleration of the ball
How much work is needed to push a 137- kg packing crate a distance of 2.65 m up an inclined plane that makes an angle of 27 o with the horizontal, when inclined plane is frictionless
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