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A potential cannon is created to shoot charged balls straight upward. The potential applied inside the cannon is -5(1-exp(-5y)) V. The cannon is 15 cm in length. A ball of mass 1 kg and charge of 4.0 C is shot upward. What is the maximum height, above the end of the cannon, it will reach?
A hoop is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts up a ramp that makes an angle of 25 degrees with the horizontal. What is the speed of the hoop
A transformer with a turns ratio (secondary/primary) of 1:15 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
a thin glass (n = 1.50) converging lens for which the radii of curvature are R1 = 15.0 cm and R2 = -12.0 cm. Determine the area of the image
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons
You hear a fire truck with a certain intensity, and you are about 1 mile away. Another person hears the same fire truck with an intensity that is about 10 times less. how far is the other person from the fire truck
Field Retards Motion An electron with a speed of7.50 multiplied by 108 cm/s enters an electric fieldof magnitude 1.00 multiplied by 103 N/C, traveling along thefield in the direction that retards its motion.
q1. the magnitude of the gravitational force between two sumo wrestlers just before they collide r 0.025 m is 2.77
Two equally charged insulating balls each weigh 0.10 g and hang from a common point by identical threads 30 cm long. What is the magnitude of the charge on each ball
A bat is emitting a sound of 39KHz frequency while flying toward a flat wall. The bat is moving at1/50 of the speed of sound which is 343m/s. What freq does the bat hear reflected off the wall
A 50 kg projectile is fired over level land at an angle of 30 degrees above the horizontal with a muzzle velocity of 210 m/s. How much energy was released during the explosion
A laser beam is incident at an angle of 36.0° to the vertical onto a solution of corn syrup in water. What is its frequencyin the solution
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