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A soccer ball with mass 0.285kg is initially at rest and is kicked at an angle of 22.8 (degrees) with respect to the horizontal. The soccer ball travels a horizontal distance of 61.4m after it is kicked. What is the impulse received by the soccer ball during the kick? Assume there is no air resistance.
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 51° C. What is the temperature coefficient of resistivity
Two in phase speakers are set up in a field 10.0 meters apart. you stand directly in between the speakers with one on your left and the other on your right. What frequency is being emitted by both speakers
When a 24 Ohm resisotr is connected across a 12 Volt Battery, a current of 482 ma flows. What is the power delivered by the emf of the battery
Two small silver spheres, each with a mass of 12.0 g, are separated by 1.00 m. Calculate the fraction of the electrons in one sphere
The moving non-conducting belt of a Van de Graaff generator carries 10 µC of charge up to the metal sphere each second, What minimum power must be supplied to the generator to sustain its operation
A proton, mass 1.67 x 10^-27 kg, is projected horizontally midway between two parallel plates that are separated by 0.30 cm, find minimum speed of the proton that just misses the lower plate as it emerges from the field
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 11.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge ha..
The dry weight of a man is 845 N. When he is submerged underwater, the reading on the scale is only 43.2 N. What is the density of the man
A proton orbits a long charged wire, making 5.66 *106 revolutions per second. What is the wire's linear charge density
A toy car runs off the edge of the table that is 1.6405 m high. The car lands 0.3311 m from the base of the table how long does it take for the car to fall? The acceleration by reason of gravity is 9.80 m/s2.
A bullet is fired through a board 7.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board, Find the total time the bullet is in contact with the board
A pump lifts 320kg of water per hour a height of 3.5m. find the minimum necessary power output rating of the water pump
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