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A 3-kg box attached to a horizontal spring (k = 1,200 N/m) undergoes simple harmonic motion. How far was the inital displacement from the spring's natural length if the maximum velocity the box obtains is 2.82 m/s?
(m)
A 10.0kg stone slides down a snow-covered hill (the figure (Figure 1) ), leaving point A with a speed of 10.0m/s. How far will the stone compress the spring
A skier leaves the starting gate at the top of a ski jump with an initial speed of 4 m/s. the starting position is 120 m higher than the end of the ramp, which is 3 m above the snow. FIND THE FINAL SPEED of the skier if he lands 145 m down the 20 deg..
A shopper in a supermarket pushes a cart with a force of 27 N directed at an angle of 25° below the horizontal. Find the work done by the shopper as she moves down a 56 m length aisle
Consider a chain with length 0.9 m and mass per unit length 0.6 kg/m. Suppose it is initially suspended above a table so that the lower, What is the force when one-half of the chain lies on the table
The x-position of a particle is given by the expression x(t)=(4.0 m)cos(4.0?t+ 5.0?) , where x is in meters and t is in seconds. What is the maximum velocity of the particle
A positively charged particle of mass 8.00 10-8 kg is traveling due east with a speed of 30 m/s and enters a 0.26-T uniform magnetic field. obtain the magnitude of the magnetic force acting on the particle
A toy train is pushed forward and released at = 2.0 with a speed of 1.5 . It rolls at a steady speed for 2.8 , then one wheel begins to stick. The train comes to a stop 5.6 from the point at which it was released. Elucidate the train's accelera..
A 115-? resistor, a 51.7-mH inductor, and a 154-?F capacitor are connected in series to an ac generator. At what frequency will the current in the circuit be a maximum
A block of unknown mass is attached to a spring of spring constant 6.5 N/m and undergoes simple harmonic motion with an amplitude of 10 cm. Calculate the maximum acceleration of the block
Assume the sound speed in air is 343 m/s. A jet aircragt's engines emit an 850 Hz roar. What frequency do you hear if the aircraft approaches you at 540mph
a magnetic field is perpendicular to .04 by .06 m a rectangular coil of wire that has one hundred turns in a time of .05s, Calculate the change in the magnetic field
You measure an electric field of 1.26×106 N/C at a distance of 0.149 m. from a point charge. find the magnitude of the charge
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