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A ball of mass m = 2.1 kg moving with a speed of v0 = 15.2 m/sstrikes an identical ball which was initially at rest. After thecollision, the incoming ball (ball 1) goes off at q1 = 28°relative to its original direction and the struck ball (ball 2)moves off at q2 = 38°.a) What is the magnitude of the initial momentum of the two ball system?b) What is the ratio of the balls' final speeds?Since there is no vertical momentum before the collision, the netvertical momentum must be zero after the collision.Since the vertical momentum must be zero after the collision,what does that tell us about the ratio of vertical momentum of thetwo balls?c) What is the final speed of the incoming ball? v1d) What is the final speed of the struck ball? v2
A Super Hero leaps with speed 12 m/s at a 47 degree angle above the horizontal from the top of a building. find the height of the building
A planet has a mass of 5.69Ã?1026 kg. The planet is not a perfect sphere, instead it is somewhat flattened. What is the escape speed at the poles
a uniformly charged thin rod is l meters long. the total charge on it is q coulombs. its placed along the positive y
A Martian leaves Mars in a spaceship that is heading to Venus. On the way, the spaceship passes earth with a speed v = 0.86c relative to it. What is the time of the trip (in seconds) as measured by the Martian
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
A 4lb block and a 13lb block, connected by a string slide down a 30 degree inclined plane. The coefficient of kinetic friction between the first block mentioned is 0.10; between the second block and the plane it is 0.20. Find the tension(in pounds) i..
a small object of mass 3.46 g and charge -18.4 oc is suspended motionless above the ground when immersed in a uniform
Write an equation for the magnetic flux through a coil as afunction of the strength of the magnetic field and the angle between the area vector and the magnetic field direction? For what angle is this expression a max? Min? Zero?
You have an organ pipe that resonates at frequencies of 800, 1120, and 1440 Hz but nothing between these. determine the fundamental frequency for this pipe
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on the positive x-axis and another 2 m on the positive y-axis. (1) Provide a sketch with vectors representing the forces on the ch..
Three pendulums with strings of the same length and bobs of the same mass are pulled out to angles q1, q2 and q3 correspondingly and released. The approximation sin q = q holds for all three angles, with q3 > q2 > q1. How do angular frequencies of th..
Consider a 10-kg block resting on a frictionless plane inclined 30 o connected by a rope through a pulley to a 10-kg block hanging free. What is the direction and magnitude of the resulting acceleration of the 2-block system?
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