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A professional golfer is examining a video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only 0.471 milliseconds, and the radar gun clocks the speed of the ball as 131 mph after it comes off the club. The golf ball has a mass of 45.9 grams. What is the magnitude of the impulse imparted to the ball by the club? What is the magnitude of the average force of contact between the club and the ball?
A child sits on the edge of a spinning merry-go-round that has a radius of 2.9 m. What is the child's acceleration
The prong of a tuning fork moves back and forth when it is set into vibration. what are the maximum velocity and the maximum acceleration of the prong
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. a)What is the work function of the surface? b) What is the cutoff frequency for this surface?
A spring with a force constant of 588N/m is compressed a distance of 42cm. Find the resulting increase in the spring's mass
A basketball of mass 270 g and radius 17 cm rolls with an initial speed of 2.5 m/s. What distance along the ramp will the ball travel before it comes to a stop
A fish appears to be 2.00 m below the surface of a pond when viewed almost directly above by a fisherman. What is the actual depth of the fish
A large capacitance of 1.27 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
Calculate the first-excited state energy (in eV) for an electron in a box (an infinite well) having a width of 0.050 nm
The highest barrier that a projectile can clear is 14.5 m, when the projectile is launched at an angle of 13.0° above the horizontal. What is the projectile's launch speed
An electric motor with a power of 3W is used to lift a .2 kg mass a height of 0.5 meters in 3.0 seconds, since total energy must be conserved
A 1.0 mCi source of Phosphorus called P-32, a beta emitter, is imlanted in a tumor where it is to administer 36 Gy. how long should the source remain implanted
One mole of an ideal gas is heated so that T = AP2, where A is a constant and P is the pressure. The temperature changes from T0 to 4T0. Find out the work completed by the gas. (Use the following as necessary: T0, P0, and V0.)
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