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With a person on first base, Hank hits a ball to the corner of the outfield. The outfielders have trouble retrieving the ball, therefore Hank decides to try for an in the-park home run. As he rounds third base at a speed of 18 ft/s, Hank sees that the player in front of him is two-thirds of the way from third base to home and is limping at 5.9 ft/s. It is 90 ft between bases.
If Hank wants to arrive at home plate just behind the slower runner, find what should be the magnitude of his deceleration?
A uniform disk of mass M=12.0 kg and radius R=.75 m is free to rotate about a frictionless axle through its center. compute the roational kinetic energy
The wavelength associated with the cut-off frequency for silver is 325 nm. Find the maximum kintetic energy of electrons
What will be the equilibrium temperature when a 223 g block of copper at 258 C is placed in the 178 g aluminium calorimeter cup containing 874 g of water at 13.2 C.
An air-track glider attached to a spring oscillates between the 16.31 cm mark and the 51.41 cm mark on the track. What is the maximum speed of the glider
A square loop of dimension a x a is moving at a speed v toward a straight wire carrying a current I. What is the induced emf of the loop as a function of the distance d between the wire and the nearest side of the loop
A metal ball with a mass of 3.81·10-6 kg and a charge of +5.21 mC has a kinetic energy of 4.77·108 J. how close will it come to the plane before stopping
The magnitude of a magnetic field a distance 0.0001 m from a wire is 11.0*10^4 T. How much current is flowing through the wire
an initially uncharged air-filled capacitor is connected to a 3.39-v charging source. as a result 9.57 times 10-5 c of
you have two capacitors one with capacitance 19.5 of and the other of unknown capacitance. you connect the two
Two identical spaceships are traveling in the same direction. An observer on Earth measures the first to have speed 0.80c, What is the speed of the second spaceship
A defibrillator consists of a 16.7-µF capacitor that is charged to 9.0 kV. (a) If the capacitor is discharged in 2.0 ms, how much charge passes through the body tissues? C (b) What is the average power delivered to the tissues?
A sodium surface is illuminated by a light of wavelength 300nm. The work function for sodium metal is 2.46 eV. Discover (a) the kinetic energy of the ejected photoelectron, (b) the cut off wavelength for sodium. c) the maximum speed of the photoelect..
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