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A block of mass ''M'' travels through a frictionless circular loop. Assuming that the mass remains attached to the surface throughout the motion, indicate the total force acting on the block when the mass passes by the positions A, B and C. Draw also the corresponding acceleration vectors.
Use this graph to draw the force vectors
Use this graph to draw the acceleration vectors
A properly exposed photograph is taken at f/11 and 1/100s. What lens opening is required if the shutter speed is 1/400s
Write down all the appropriate velocity boundary conditions for the flow around the bubble (one of the BCs may not be known explicitly). Determine an appropriate form for the stream function psi(r, theta) for use in part b).
A balloon carrying a basket is descending at a constant velocity of20.0 {\rm m}/{\rm s}. A person in thebasket throws a stone with an initial velocity of 15.0 {\rm m}/{\rm s} horizontally perpendicular to the path of the descending balloon,
A Ping-Pong ball with mass 6 g is attached by a thread to the bottom of a beaker. When the beaker is filled with water so that the ball is totally submerged, Determine the diameter of the ball
If the current through the inductor (L = 25.1 mH) at 351 Hz has an amplitude of 45 mA, what is the rms value of the AC voltage
One object is thrown vertically upward with an initial velocity of 100 m/s and another object with aninitial velocity of 10 m/s. What is the ratio of the maximum height reached by the first object to that of the second object?
A student standing on a stationary skateboard tosses a textbook with a mass of mb = 1.25 kg to a friend standing in front of him. Calculate for the magnitude of the velocity of the student
A headphone manufacturers warn that to protect your hearing, the sound level should not be greater than 68 dB. Compute what is the corresponding sound intensity
A magnifying glass of focal length 150. mm is used to examine an old manuscript. What is the maximum magnification given by the lens
A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 8.39 107 km. Radio waves travel at the speed of light (3.00 108 m/s). How many seconds does it take for the signal to reach the Earth?
A bungee cord is stretched between two poles with a force of 415 N. What is the velocity of a wave on this bungee cord
You're a production engineer in a cookie factory, where mounds of dough drop vertically onto a conveyer belt at the rate of one 14 mound every 2 seconds. What average force must the mechanism exert on the belt
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