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A tennis ball, starting from rest, rolls down the hill in the drawing. At the end of the hill the ball becomes airborne, leaving at an angle of 35o with respect to the ground. Treat the ball as a thin-walled spherical shell, and determine the range x.
A cable is lifting a construction worker and a crate, as the drawing shows. What is the tension in the cable above the worker
If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation window
A 2.4 kilogram ball falling vertically hits the floor with a speed of 2.5m/s and rebounds with a speed of 1.5m/s. Find the magnitude of the impulse exerted on ball by floor
The Mars rover was deployed on the surface of Mars in July 1997. At one point during its subsequent mission, How far was Mars from the from Earth at that time
To keep her dog from running away while she talks to a friend, Susan pulls gently on the dog's leash with a constant force given by F = (2.1 N ) ^x+ (1.5 N )^y, How much work does she do on the dog
A ball of mass .05 kg moves with a velocity (17, 0, 0) m/s. It strikes a ball of mass .1 kg that is initially at rest. cWhat is the velocity of the lighter ball after impact
A bullet of mass 7.00g is fired horizontally into a wooden block of mass 1.28kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.230.
Gaussian surfaces A and B enclose the same positive point charge. The area of surface A is two times larger than that of surface B. How does the total electric flux during the two surfaces compare?
A 40.00-W eletric motor is able to accelerate a 8755 g car from rest to 30.00 mph in 31.10 seconds. Calculate the efficiency of the motor
What is the electric force (with direction) on an electron in a uniform electric field of strength 2510 N/C that points due east? Take the positive direction to be east.
A neutron star has a mass of 2.0 x 1030 kg (about the mass of our sun) and a radius of 5.0 x 103 m (about the height of a good-sized mountain). How fast would this object is moving after it had fallen a distance of 0.010 m
A mountain climber stands at the top of a 50m cliff hanging overa calm pool of water. What is the initial velocity of the second stone when it is thrown
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