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A white billiard ball with mass mw = 1.43 kg is moving directly to the right with a speed of v = 3.42 m/s and collides elastically with a black billiard ball with the same mass mb = 1.43 kg that is initially at rest. The two collide elastically and the white ball ends up moving at an angle above the horizontal of ?w = 42.0° and the black ball ends up moving at an angle below the horizontal of ?b = 48.0°.1) What is the final speed of the white ball?2) What is the final speed of the black ball?
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
A frictionless spring of spring constant 500 N/m has one end attached to a vertical wall and the other end to a block of mass 3.0 kg, What is the maximum Elastic Potential Energy
Assume we have an infinitely long wire carrying a current of 2-A. It is bent into an L-shape extending into positive infinities along the x- and y- axes. Find out the magnitude of the magnetic field at a point P with coordinates (0.3 m, 0.3 m).
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle. The magnitude of the force applied by each rope is 2900 newtons (N).
A spacecraft approaching the earth launches an exploration vehicle. After the launch, What is the speed of the exploration vehicle relative to the spaceship
Suppose the superhero had flown 145 m at a 125° angle with respect to the positive x-axis
A 64kg human sprinter can accelerate from rest to 10 m/s in 3.0s. What is the average power output of the greyhound
A 220 block on a 52 long string swings in a circle on a horizontal, frictionless table at 95.What is the speed of the block? What is the speed of the block.
A single photogate is programed to start a timer when it is blocked and stop the timer when it is unblocked. What is the speed of the sphere
A space station in the form of a large wheel, 311m in diamter, rotates to provide an "artificial gravity" of 5.2m/s^2 for people located on the outer rim. Find the rotational frequency of the wheel
A 15-g sample of the candy is placed in a small aluminum container of mass 0.325 kg filled with oxygen, compute the Calorie content of 75g of candy
Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. The coils are fixed in place; what self-induced emf appears in that coil
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