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An air-hockey puck of mass m floats across the table essentially frictionless on a cushion of air. This puck bumps nearly head-on into a second puck that has 3 times the mass, moving in the opposite direction but with the same speed, vi, as the lighter puck. Immediately after the collision, the first puck is moving at a right angle to its original direction. What is the final speed of this puck? What is the final velocity of the heavier puck? (That means speed and direction...) Answers will contain m and vi and some angle ?
In the x-y plane, a charge of -4.6uC is on the x-axis at the point (-30cm,0) and a second charge of +7.2uC, Calculate the magnitude and direction of the Electric Force Fe
A square loop of wire has sides of length 3 cm. A magnetic field points out of the screen; its magnitude is B = 3.0t2y, What is the emf around the square at t = 2.00 s
Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use fu = 0.0130(T) in Btu/lbm, where T is in °F or R.
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked. how far did they skid
an electronically charged particle accelerates uniformly from rest to speed v while traveling a distance x show that
You are driving down the road at 60 km/hr when you see a chicken dash out onto the road 23.3 m in front of you. What was your reaction time
If so how fast will the cars be traveling when they collided? If they did not, what is a distance between the cars at this point.
A flywheel having constant angular acceleration requires 4.40s to rotate through 169rad . Its angular velocity at the end of this time is 110rad/s. find the angular acceleration of the flywheel
The ball thrower, who has a mass of 100 kg, can throw a 500 g ball with a speed of 10 m/s. What constant force must the athlete exert on the ball
Spheres A and B are touched together and then separated. Sphere C is then touched to sphere A and separated from it. Lastly, sphere C is touched to sphere B and separated from it. Explain how much charge ends up on sphere C?
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.0 10-6 m (0.0000030 m). What is the temperature inside the furnace
a ranger in a national park is driving at 49 kmh when a deer jumps onto the road 67 m ahead of the vehicle. after a
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