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A baseball infielder, mass 75 kg, jump up with velocity 3.00m/s andcatches a 0.150Kg baseball moving horizontally at 50.0m/s of thefollowing, which is closet to the final momentum of the system,infielder and baseball?
A steady beam of alpha particles (q = + 2e, mass m = 6.68 x 10-27 kg) traveling with constant kinetic energy 26 MeV carries a current of 0.34 µA. If the beam is directed perpendicular to a flat surface, how many alpha particles strike the surface i..
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley, calculate the magnitude of their acceleration, a, and the tension in the rope, T
When two sticks are laid end-to-end they cover a length of 8.32 feet. One stick is 2.90 ft longer than the other. What is the length of the shorter stick in feet.
A certain gyroscope consists of a uniform disk with a 52 cm radius mounted at the center of an axle that is 12 cm long and of negligible mass. what is the precession rate
in a mossbauer effect experiment the change in frequency of a 3.5 x 1018 hz electromagnetic wave can be detected if the
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
Draw the circuit with the following criteria; double acting cylinder used for broaching holes into metal plates. The cylinder is 24" long mounted vertically, What is the minimum horsepower required by the prime mover
Lightening produces a maximum air temperature around 3 x 10 ^4 K. Using Wien's Law, find the wavelength of the thermally produced photons
in 1911 ernest rutherford and his assistants geiger and marsden conducted an experiment in which they scattered alpha
A small but measurable current of 7.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm, calculate the current density and electron drift speed
two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.90 m long conducting wire.
In a discussion person A is talking 1.9 dB louder than person B,and person C is talking 3.0 dB louder than person A. What is the ratio of the sound intensity of person C to the sound intensity of person B?
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