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An amusement park has a fountain that shoots water vertically upward at 27.8m/s. A 2.4m diameter cylindrical pipe, which is 9.2m below the fountain outlet, supplies the fountain water. If the radius of the fountain opening is 1.5cm, what is the pressure of water in the underground pipe?
a. What is the energy in joules and electron volts of a photon of 520-nm green light?
It was a dark and stormy night, when suddenly you saw a flash of lightning. how far away was the lightning bolt
consider an electron in a 1-d box of length 258 pm.a. what is the zpe in j per electron? in kjmole?b. where would the
In an atwood's machine, one block has a mass of .6kg and the other a mass of .56 kg. What is the direction of the net torque on the pulley
The atomic mass of ammonia is 17 atomic mass units. What is the atomic mass of nitrogen if a molecule of ammonia consists of one atom of nitrogen and three atoms of hydrogen?
if a coal burning electrical generating plant burns 2 tons of coal to generate 6000 kwh of electricity calculate the
Find the flux of Earth's magnetic field of magnitude 5.00 x10-5 T through a square loop of area 30.0 cm2 for the following: when the field is perpendicular to theplane of the loop. when the field makes a 40.0°angle with the normal to the plane of the..
A Tritium (3 1 H) nucleus with kinetic energy of 4.70 MeV is incident on a stationary target of phosphorus (30 15 P); Find the nuclear binding energy of the nucleus 32 16 S
a speedboat starts from rest and accelerates at 2.01 ms2 for 7.30 s. at the end of this time the boat continues for an
Julie drives 100 mi to her Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 25mph and the other half at 80. On her return trip, she drives half time at 25mph and half the time at 80 mph.
Calculate the coefficient of shape C for an object with surface A=100cm2. its density is d=500kg/m3 and volume v=1 dm3.
a 64.0 kg person standing on a diving board dives straight down into the water. just before striking the water her
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