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A puck goes around its circular path once every 1.6 second. Its speed is 33 cm/s. Evaluate what is the radius of its circular path?
To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip.
First-order Bragg diffraction is observed at 23.0 degrees relative to the crystal surface, with spacing between atoms of 0.26nm, At what angle will second order be observed
Big Ben, the Parliament Building tower clock in London, has hour and minute hands with lengths of 2.70 m and 4.50 m and masses of 60.0 kg and 100 kg, respectively. Calculate the total angular momentum of these hands
You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 48.7%u2218C. what is its temperature in degrees Fahrenheit
How much energy would be required to break a helium nucleus into its constituents, two protons and two neutrons? The rest masses of a proton
A double convex lens has equal curvature radii of 35 cm. What is the refrative index of the lens
a mixture of water density 1000 kgm3 and oil density 800 kgm3 is flowing through a tube of diameter 2 cm with a
A charge of -1.0 µC is located at the origin, a second charge of 3.4 µC is located at x = 0, y = 0.1 m, and a third charge of 5 µC is located at x = 0.2 m, y = 0. Find the forces that act on each of the three charges. q = -1.0 µC
a skater has rotational interia 4.2 kg-m2 with his fists held to his chest and 5.7 kg-m2 with his arms outstretched.
A concave shaving mirror has a radius of curvature of +39.8cm. It is positioned so that the (upright) image of a man's face is 3.48 times the size of the face. How far is the mirror from the face?
A convex mirror used in a store has a focal length of -60 cm. A person in the aisle is 2.0 m from the mirror. How far from the mirror is the image
A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
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