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A golfer swings his club of radius 1.2 m at an angular velocity (w) of 340º/s. What is the linear velocity of the club head? What is the linear velocity of the club head if the radius is 0.8 m?
A car initially traveling at 23.2 m/s undergoes a constant negative acceleration of magnitude 2.10 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the ..
Take element Z = 70 from the periodic table. Ionize it 69 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron?
A boat, whose speed in still water is 1.70 m/s, must cross a 260m wide river and arrive at a point 110m upstream form where it starts. What is the speed of the river's current
The position of a particle in cm is given by x = (7) cos 10?t, where t is in seconds. What is the amplitude of the particle's motion
a researcher measures the concentration of advil in a patients bloodstream as a function of time making measurements
A baseball fan sitting the “cheap seats” is 255m from home plate. How much time elapses among the instant the fan sees a batter hit the ball and the moment he hears the sound?
Physicist Robert Adair, once appointed the "official physicist to the National League" by the commissioner of baseball, What is the difference in wavelength of these sounds
A wooden cube of side 0.30 m has density of 700 kg/m^3 and floats partially submerged in seawater(density = 1025 kg/m^3). what is the total mass of the cube
a 1cm-tall object is 6cm in front of a converging lens with a focal length of 10cm. Use ray tracting to determine the location of the image on graph, Calculate the image position and height using the lens equation
Two solenoids are used to produce a magnetic field across a cathode-ray tube. Find the field at the center of the CRT
A star is moving away from Earth at a speed of 2.3 108 m/s. What is the wavelength as measured by an Earth observer
A 1.80x10^2 kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.00 m above the ground. The crane that is doing the lifting produces a steady power of 4x10^2 W. How much time does it take to lift piano.
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