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a 2kg mass ona horizontal frictionless surface is attached to the free end of an ideal spring of stiffness k=30N/m. you pull on the mass to stretch the spring a distance of 1m from its relaxed position. when you release the mass from rest, the spring takes over, causing the mass to return to its equilibrium position, and then overshoot the position. by what distance is the spring compressed as the mass comes to rest again?
A solenoid (coil) has a radius of 7.2 cm, a length of 31.5 cm, and has 380 turns of wire. A current of 350 mA runs through the coil. Calculate the field strength inside the coil
A particle having charge q = +2.30 µC and mass m = 0.0100 kg is connected to a string that is L = 1.80 m long, Determine the speed of the particle when the string is parallel to the electric field
Vector A is in the direction 44.0 clockwise from the negative y-axis. The x-component of is = -19.0 What is the -y component of A? What is the magnitude of A.
Consider a square loop. It has an edge length L = 0.38 m and carries a current I = 7.74 A (runing clockwise). What is the magnitude of the torque on the loop
A Meteorite Strikes On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, leaving a dent 22 cm deep in the trunk. If the meteorite struck the car with a speed of 130 m/s , what was the magnitude of its deceleration, assuming it t..
A tuning fork of unknown frequency makes six beats per second with a standard fork of frequency 481.0 Hz. What is the frequency of this fork
A photon with energy 1.85 eV is absorbed by a hydrogen atom. Find the speed of the electron released from the state in part (a) when it is far from the nucleus
A 1500 {rm kg} car skids to the halt on a wet road where mu_k = 0.50. How fast was the car travelling if it leaves 66-{rm m}-long skid marks.
A magnifying glass has a focal length of 8cm. How close to an object do you need to place the magnifying glass, What type of image is this and what is its magnification
As a baseball is being caught, its speed goes from 25 to 0 m/s in 0.008 seconds. What is the force acting on the ball
A 5.0V potential difference is applied between the ends of a 0.80mm -diameter, 90cm -long nichrome wire, What is the current in the wire
A car is traveling at a constant speed of 38.8m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has constant acceleration. What acceleration must it..
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