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A mass sitting on a horizontal, frictional surface is attached toone end of a string, the other end of a wall. 6.0 J of work isrequired to compress the spring 0.14 m. If the mass is releasedfrom rest with the spring compressed, it experiences a maximumacceleration of 13 m/s2a) Find the value of the spring constantb) Find the value of the mass
q1. a long hollow cylindrical conductor inner radius 2.0 mm outer radius 4.0 mm carries a current of 13 a distributed
A boat moves through the water of a river at 9 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.9 m/s, how long does it take the boat to make a round trip consisting of a 225 m displacement d..
A flat surface with area 1.6 m2 is in a uniform electric field of 560 N/C. What is an electric flux through the surface when it is oriented as follows.
Suppose the mirror is misaligned, so that the actual angle between the normal to the surface and due south is too large by 0.003°. By how many meters (due east) will the reflected ray miss the detector
Someone decides to produce electrical power by turning a coil with 10^5 circular loops in the Earth's magnetic field. determine the average power obtained from this device
Water flows trough a normal garden hose at 2 m/s. how fast does the water emerge from the hose nozzle
bonnie and clyde are sliding a 269 kg bank safe across the floor to their getaway car. the safe slides with a constant
Three resistors havin resistances of R1= 1.66?, R2= 2.44?, and R3= 4.94? respectively, are connected in parallel to a 28.2V battery that has negligible internal resistance. Find the power dissipated in each resistor
You jump from the top of a boulder to the ground 1.85 m below. Calculate your deceleration on landing
A sound wave frequency 256Hz is propagating in air at 343m/s/ How far apart are two points on the wave that differ in phase by pi/2 and 90
suppose you wish to fabricate a uniform wire fromnbsp2.50nbspg of copper. the wire is to have a resistance of rnbsp
a uniform beam of length l and mass m 1.8kg is at rest on two scales. a uniform block with mass m2.7 kg is at rest on
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