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Engineers have developed a bathyscaph that can reach ocean depths of 5.3 mi. If the density of seawater is about 1030 kg/m3, what is the absolute pressure at that depth? The acceleration of gravity is 9.8 m/s2.
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
A spring loaded ballistic pendulum gun requires an increasing force to load. Calculate the speed of the ball as it leaves the gun
With what velocity does the wrench strike the ground. What is magnitude and direction of the boat's acceleration? Enter a positive answer for a direction due west, or a negative answer for a direction due east.
A particle undergoes uniform circular motion of radius 19.1 ?m in a uniform magnetic field. What is the kinetic energy of the particle
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
A ray of light has an incident angle of 30.1 on a block of quartz and an angle of refraction of 20.4. what is the index of refraction for this block of quartz
A 13 g bullet traveling 217 m/s penetrates a 2 kg block of wood and emerges cleanly at 153 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. Calculate the angular acceleration of the pottery wheel
question1a weight lifter pulls down on a bar associated to some weights via a pulley system. he rises in the air. a
You throw a 25.0 N rock into the air from ground level and observe that, when it is 14.0 m high, find the rock's speed just as it left the ground
In a friction experiment, your wooden plank is horizontal. When a mass of 100 grams is hanging on the weight hanger of mass 50 grams, a slight push makes the block move at a constant speed along the plank. If the mass of a wooden block is 500 gram..
A meteorite that has a mass equal to 30.8 tonne (1 tonne = 1000 kg) is exhibited in the American Museum of Natural History in New York City, Find the magnitude of the impulse experienced by the meteorite up to the time its kinetic energy was halved
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