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The drawing shows three situations in which a block is attached toa spring. The position labeled “0 m” represents theunstrained position of the spring. The block is moved from aninitial position x0 to a final positionxf, the magnitude of the displacement beingdenoted by the symbol s. Suppose the spring has a springconstant of k = 52 N/m. Using the data provided in thedrawing, determine the total work done by the restoring force ofthe spring for each situation. In the case of zero put your resultas "+0".
In a certain region of space, the electric potential is given by V= 6y. The potential V is given in volts, the coodinate y is given in meters. Find the direction of the electric field
a 27 kg block is pulled across a horizontal surface by a rope. the block has an acceleration of 3.5 ms2 and the
In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 86.1 kg. find the magnitude of the force he exerts on the chin-up bar
Two runners of mass 70 kg and 60 kg,respectively, have a total linear momentum of 350 kg*m/s. The heavier runner is running at 2.0m/s. Examine the possible velocitis of the lighter runner.
A bomb is dropped from an airplane in level flight at a speed of 970 km/h. The altitude of the aircraft is 2000 m. At what horizontal distance from the initial position of the aircraft will the bomb land.
If the rope starts at an angle of 30.0° with the vertical, illustrate what is Bruce's speed at the bottom of the swing?
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
A wire of length 0.665 m carries a current of 21.0 A. In the presence of a 0.470 T magnetic field, compute the angle between the wire and the magnetic field
imagine a truck with a mass of 25 metric tons t 1 t1000 kg barrelling down a highway at a speed of 59 mih. what is the
An X-ray photon with a wavelength of 0.260nmscatters from a free electron at rest. Find the final momentum of the photon
A beam of photons that have a wavelength equal to 6.8pm is scattered by electrons initially at rest. What is the change in wavelength of the photons
A power plant produces 1064.8 MWt. If 771.5 MWt is rejected to the environment, what is the thermal efficiency of the plant
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