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A 36 g ball is shot from a spring gun whose spring has a force constant of 529 N/m. The spring can be compressed 4 cm. How high will the ball go if the gun is aimed vertically? The acceleration of gravity is 9.81 m/s2. Assume that at the end of the barrel, the spring's displacement and the ball's height are each zero. Answer in units of m.
Two forces, and act at a point. The magnitude of is 9.80, and its direction is an angle 57.0 above the x-axis in the second quadrant. The magnitude of is 6.2, and its direction is an angle 52.7 below the x-axis in third quadrant.
A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father, What are the original speeds of (b) the son
The train comes to a stop 6m from the point at which it was released. What is the magnitude of train's acceleration after its wheel begins to stick.
When a diver jumps into the ocean, water leaks into the gap region between the diver's skin and her wetsuit, estimate how much energy (in units of candy bars = 300 kcal) is required by this heating process
A rectangular loop of wire that is 36 cm wide and 25 cm long lies in the x-y plane in a region where the magnetic field is B = 1.1 T and directed at an angle of 63° with the z axis
Two sound sources driven in phase by the equal amplifier are d = 4 m apart on the y axis. At a point a very large distance from the y axis, constructive interference is first heard at an angle θ1 = 0.140 rad with the x axis.
A 25kg solid door is 220cm tall, 91cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 15cm from one edge.
A 3.83m -long coil containing 225 loops is wound on an iron core (average ?=1850?0) along with a second coil of 115 loops, Determine the mutual inductance M. (units of H)
The potential at location A is 393 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 781 V, and when released from rest from this spot, the particle arrives at B wit..
A 25- sample of an ideal gas with is at 250 and 50. The gas is compressed isothermally to one-third of its original volume, then heated at constant volume until its state lies on the adiabatic curve that passes through its original state, and then al..
A diver is planning to salvage a Spanish galleon located in 200 feet of water. He plans to use a diving suit that will be supplied with air from a hose. Calculate which compressor should be bought by the diver for the given condition
A spool of thread has an average radius of 1- cm. If the spool contains 62.8 m of thread, how many turns of thread are on the spool.
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