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You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. You fire the arrow at 36.0 m/s oriented 30.0° above the horizontal from a height of 1.40 m while standing 57.0 m away on your first try. You may neglect air resistance. What is the height of the arrow once it has travelled the 57.0 m horizontally?
Johnny Thunder is swinging a watch from a 20.0 cm chain. What is the period of swing from the watch
A radio tuner is built by connecting an L=0.48mH inductor and variable capacitor in series with an antenna. What is the quality factor of the circuit with the capacitance you found
A cylindrical air duct in an air conditioning system has a lengthof 5.5 m and a radius of 7.2 x 10^-2 m. A fan forces air ( n = 1.8x 10^-5 Pa·s) through the duct, such that the air in a room(volume = 280 m^3) is replenished every ten minutes. Dete..
Calculate the orbital radius of an electron in the n=99 state of hydrogen. Calculate the orbital radius of an electron in the n=100 state of hydrogen. Calculate the speed of an electron in the n=99 state of hydrogen. Calculate the speed of an electro..
An object is held at distance 30 cm in front of the first lens
A cube of ice is taken from the freezer at -8.9 degrees C and placed in a 93 g aluminum calorimeter filled with 329 g of water at room temperature of 20.0 degrees C. What was the mass of the ice cube
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total heat flow of the process
question a 1200 kg ore cart is rolling at 10.8 ms across a flat surface. a crane dumps 493 kg of ore vertically into
What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 529nm light? The index of refraction of the coating material is 1.53 and the index of the glass is 1.60.
You do 220 J of work pulling your sister back on a swing, whose chain is 5.00 m long, until the swing makes an angle of 30.0 degrees with the vertical, What is your sisters mass
A cube of mass m = 7.15 kg is placed on an inclined plane of mass M = 6.67 kg, which makes an angle ? = 48.30° with the horizontal. What is the normal force on the inclined plane from the table underneath it
In 9.00 days the number of radioactive nuclei decreases to one-eight the number present initially
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