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An object at rest in a coordinate frame suddenly explodes into three parts of equal mass m. Two parts move away at right angles to each other and with equal speeds |v|.a) Calculate which direction is consistent with the physical law of conservation of momentum assuming there are no external forces.b) Calculate the magnitude (speed) of the velocity of the third part in terms of the parametersm and |v|.c) Does your solution conserve the mechanical energy of the system?
An inexperienced catcher catches a 130 km/h fastball of mass 140 g within 1 ms, What are the average forces imparted to the two gloved hands during the catches
Two narrow slits 54?m apart are illuminated with light of wavelength 510nm, What is the angle of the m=2 bright fringe in radians
A 0.2kg rock attachedd to a horizontal springg of spring constant k=200N/m is placed on a horizontal, frictionless surface. what is the amplitude of motion for the rock
How far from a -6.20 microcoulombs point charge must a 2.30 microcoulombs, Calculate the distance in meters
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the mass of the star
A collection of hydrogen atoms in the ground state is illuminated with ultraviolet light of wavelength 59.0 nm. Find the kinetic energy of the emitted electrons
A 50 foot garden hose isfilled with sea water. What is the resistance from one end to the other, what is the current density in the hose
A 1500kg car slams the brakes on, its initial speed is 32m/s, How far does the car skid before stopping
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by the rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 m on a horizontal surface. The coefficient of kinetic friction between ..
Two parallel plates, each of area 6.52 cm2, are separated by 3.00 mm. The space between the plates is filled with air. Calculate the magnitude of charge stored on each plate
find out the magnitude of the gravitational force exerted.
A 4.1kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.3m/s2, find the force exerted by the rope on the bucket.
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