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each croquet ball in a set has a mass of 0.51 kg. the greenball, traveling at 12.3 m/s strikes the blue ball, which is atrest. assuming that the balls slide on a frictionless surface andall collisions are head-on, find the final speed of the blue ball in the following situation, when the green ball stops moving afterit strikes the blue ball. answer in units of m/s.
A sled starts up an incline of 350 with the horizontal. The sled starts from the bottom with an initial velocity of 5 m/s. (a) How far u p the incline does it go? A second sled starts to slide from the top when the first sled starts to slide down...
A boat with a speed of 10 m/s in still water, tries to cross a river with a current flow 2.0 m/s and is a 100 meeters wide. how far down river does it land
determine the angle below the horizontal that you must aim your spear gun in order to catch dinner. Suppose the spear gun barrel is 1.70 m above the water surface, the fish is 1.40m below surface, and the spear travels in a straight line all the w..
Unpolarized white light is incident on a po- larizer and then falls on an analyzer whose TA makes an angle of %u03B8 = 33.8%u25E6 with the polarizer, What is the fraction of the original light transmitted through both the polarizer and analyzer
A string length 2.0 m and linear mass density 25.0 mg/m vibrates at a fundamental frequency of 450.0 Hz. What is the speed of the transverse strin waves
A coin with a diameter of 2.30 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 15.5 rad/s and rolls in a straight line without slipping. how far does the coin roll before coming to rest
A farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1.734 diopters. How far is her near point from her eyes
Spaceship A moves away from earth at a velocity of uxA= -0.50 c and spaceship B at uxA= 0.70c, uyB= -0.20c uzB=0.30c. How fast is B's velocity in A's reference frame
explain What is the magnitude of the electric field next to the sheet.
When a 50.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. What is the magnitude of the larger of the two resistances
A batter hits a pitched ball when the center of the ball is 1.20 m above the ground. The ball leaves the bat at an angle of 45° with the ground. With that launch, the ball should have a horizontal range (returning to the launch level) of 107 m.
It is desired to magnify readingmaterial by a factor of 2.5X when a book is placed 8cm behind alens. what type of lens is needed
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