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A person is lying on a diving board 3.50 above the surface of the water in a swimming pool. The person looks at a penny that is on the bottom of the pool directly below her. The penny appears to the person to be a distance of 6.00 from her.
Part A What is the depth of the water at this point?S =
Consider a plane that flies due east on a trip, and then returns due west following the same exact route. Imagine also that there are no winds in each trip. Flying due east, the plane flies with the rotation of the Earth, while flying due west..
A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the person's weight
a 145 Kg football player applies a force of 520 N horizontally on the opposing 125 Kg quarterback, How much work did the tackler do while pushing
A 100 g cube of ice at 0 degrees C is dropped into 1.3 kg of water that was originally at 82 degrees C. find the final temperature of the water after after the ice melts
An airplane is descending at an angle of 20 deg with respect to the horizontal when it drops a bomb, determine the range (horizontal distance traveled) of the bomb and the velocity at which it hits the ground.
A ship sails from seawater (specific gravity 1.025) into freshwater and therefore sinks slightly. find the combined mass of the ship and cargo before it was unloaded
find the center of mass of a uniform density cone. give your answer as a distance from the cone point, and as a fraction of the total cone height
An elastic cord is 64 cm long when a weight of 56 N hangs from it and is 69 cm long when a weight of 83 N hangs from it. What is the "spring" constant of this elastic cord.
A pot with a steel bottom 7.95 mm thick rests on a hot stove. The area of the bottom of the pot is 0.170 m2. The water inside the pot is 100.0°C at and 0.490 kg are evaporated every 3.00 min.
A proton has a mass of 1.67 x 10^-27 kg and a charge of 1.60 x 10^-19 C. What is the gravitational force on a single proton at Earth's surface.
A ball with a vertically downwards initial velocity v(0) = 3 m/s collides with a fixed inclined surface. find the velocity of the ball after it rebounds
A 70.0 kg football player leaps straight up into the air (with no horizontal velocity) to catch a pass. If the ball was moving horizontally when it was caught, how fast was the ball travelling
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