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A spring with spring constant 20.0N/m hangs from the ceiling. A ball is suspended from the spring and allowed to come to rest. It is then pulled down 6.50cm and released. The ball makes 37.0 oscillations in 22.0 seconds. What is the mass of the ball and what is the maximum speed?
The vertical displacement y(x,t) of a string stretched along the horizontal x-axis is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 rad/s)t]. What is the distance between adjacent crests of the wave
The motion of a 25.0 kg mass on the end of a string is uniform circular motion. The magnitude of the tangential velocity of the mass is 5.0 m/s, Calculate the angular momentum of the mass
What is the acceleration of a vehicle that changes its velocity from 44.65 km/h to a dead stop in 1.15 s? (The unit of measure that we will use will be the km/hs.
A block of mass 20kg is sliding down an incline plane with no friction. Find the normal force and the acceleration of the object
A rock is dropped from a high tower and falls freely under the influence of gravity. Which one of the following statements concerning the rock as it falls is true? Neglect the effects of air resistance.
A simple harmonic oscillator with m= 0.665kg and total energy E = 130J has amplitude 1.55m. Find the spring constant, period, max speed and max acceleration
A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , At what angle does the crate begin to slide
A bicycle wheel has a diameter of64.4cm and a mass of1.90kg. What force must be applied by a chain passing over a9.01-cm-diameter sprocket in order to give the wheel an acceleration of4.55rad/s2
The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator
A professor walks in a long hall carrying a vibrating 512Hz tuning fork. The end of the hall is closed so that sound reflects from it. The student hears 4 beats per second. How fast is the student walking and in what direction.
The speed of light in polythene is 1.99 x 108 m/s. What is the index of refraction of polythene
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
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