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Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 that is traveling horizontally at 11.1. Olaf's mass is 66.2 . If Olaf catches the ball, with what speed do Olaf and the ball move afterward? If the ball hits Olaf and bounces off his chest horizontally at 7.40 in the opposite direction, what is his speed after the collision?
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 240 kg · m2, What is the new angular speed of the merry-go-round
A child and sled with a combined mass of 57.0 kg slide down a frictionless slope. what is the height of the hill
a copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1 cm over its natural length to keep the piece in equilibrium. Find the elongation of the spring
Two polarizers are out of alignment by 22.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters
You have a set of converging lenses with focal lengths 2.00 cm, 12.0 cm, 58.5 cm, and 77.5cm. What is the angular magnification of the telescope
A steel cable with a total length of 27.7 m and total mass of 91 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. Fuzzy has a mass of 2.25 kg, What is the minimum uncertainty in the duck's speed
FM station KCOM transmits simultaneously, at a frequency of 99.9 MHz, from two broadcast towers placed precisely 31.5 m apart along a north-south line. What is the wavelength of KCOM's transmissions
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
question1chlorine gas cl2 can be formed from a solution containing clminusions i.e. from naclminus by electrolysis.
A bowling ball weighing 71.6 is attached to the ceiling by a rope of length 3.71 . The ball is pulled to one side and released, What is the acceleration of the bowling ball
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 265 kg · m2, What is the new angular speed of the merry-go-round
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