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A billiard ball of mass m= 0.150 kg hits the cushion of a billiard table at an angle of θ1= 44.0° at a speed of v1= 2.60 m/s. It bounces off at an angle of θ2= 49.0° and a speed of v2= 2.20 m/s. What is the magnitude of the change in momentum of the billiard ball? In which direction does the change of momentum vector point? (Take the x-axis along the cushion and specify your answer in degrees.)
Two boxes of masses m and 2m are in contact on a frictionless surface. What is the net force on the more massive box
A box of mass 5 Kg is connected by a massless rope to a 10.0 Kg. A force of 60.0 N is applied to the 5 Kg. What is the tension in the rope connecting the 2 masses
A 2.00kg projectile is launched from the earth's surface with an initial velocity of 38.0 m/s at an angle of 45 degrees with respect to the horizon. What is the work done by gravity on the projectile
If a mass of 1 kg is accelerated 1 m/s2 by a force of 1 N, illustrate what would be the acceleration of 10 kg acted on by a force of 20 N?
A 60.0kg skier traveling at 20.0m/s reaches the foot of a steady upward 20.0 degree incline, Calculate the coefficient of friction along this slope
Although all atoms have moving electric charges, not all materials are magnetic (for example, copper or wood are not magnetic). Why, then, aren't all materials magnetic?
An asteroid in an elliptical orbit about the sun travels at 1.3 106 m/s at perihelion (the point of closest approach) at a distance of 2.2 108 km from the sun
A particle known as a pion lives for a short time before breaking apart into other particles. What is the lifetime according to a hypothetical person who is riding along with the pion
two infinite, parallel planes have excess charge densitites o and -2o, what are the magnitude and direction of the electic field between the planes
Consider a rocket-powered hockey puck, and assume the rocket produces a constant acceleration when the rocket is on. Determine the impact location and the impact speed of the puck
the cylindrical imaging drum of a photocopier is to have an electric field just outside its surface of 2.00 105 nc.a if
Water flows through a pipe with circular cross section. The fluid has a radius of 5.0 cm and flows at 2.0m/s. The output has a radius of 2.50 cm. find the output velocity.
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