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Question: The 6.0 kg object below is released from rest at a height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 350 N/m. The object slides down the ramp and into the spring, compressing it a distance x before coming momentarily to rest.
A uniform steel bar swings from a pivot at one end with a period of 1.3s. How long is the bar
A ladder with a length of 5.0 m and a weight of 450 N is placed so its base is on the ground 4.0 m from a vertical frictionless wall, Find the magnitude of the upward normal force applied by the ground on the ladder
Calculate the speed of a proton that is accelerated from rest through an electric potential difference of138V. Calculate the speed of an electron that is accelerated through the same potential difference.
The voltage and power ratings of a particular light bulb, which are its normal operating values, are 110 V and 60 W. what is the operating voltage of the bulb
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 77 km/h. What is the car's centripetal acceleration in m/s2
A.2m wire is moved perpendicular to a.5magnetic field at a speed of 1.5m/s. what emf is induced across the ends of the wire
Two spectators at a soccer game in Montjuic Stadium see, and a moment later hear, the ball being kicked on the playing field. How far is each spectator from the player
A sound source emits sounds of frequency 210Hz that travel by still air at 340m/s. The listener moves at 75 m/s relative to still air toward the stationary source. What is wavelength of the sound between the source and the listener.
The speed of a projectile when it reaches its maximum height is 0.39 times its speed when it is at half its maximum height
q1. a long hollow cylindrical conductor inner radius 2.0 mm outer radius 4.0 mm carries a current of 13 a distributed
Two masses are placed on the x axis. The first mass 320kg is located at x = 310cm , the second mass 660kg is at the origin
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