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It is found that a segment of a string 3.4 meter long contains 4 complete wavelengths and has a mass of 180 gram at one point it is vibrating sinusoidally with a frequency of 45 1/s and a peak to peak displacement of 0.74 meter. Peak to peak means vertical distance from highest positive displacement to lowest negative displacement.
Find what is the value of the wave number?
A chair of mass 10.5 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 44.0 N, calculate the normal force that the floor exerts on the chair
A bicycle wheel with a mass of 2.5 kilogram and a radius of 33centimteter roll across a horizontal floor with a translational speed of1.5m/s. Find how far up the ramp will it go before stopping
A coil of wire with 110 turns is wrapped in a circular shape with a radius of 29 cm. The plane of the coil is perpendicular to a magnetic field of magnitude 2.0 T. What is the cross sectional area of the coil
a 0.800-kg ball is on the end of a rope that is 1.39 m in length. the ball and rope are attached to a pole and the
A stone of mass M rests on a spring which is compressed a distanceof 1 cm by the stone. The stone is pushed down an additionaldistance of 3 cm and then released. What is the maximum height reached by the stone relative to the release point?
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
Vector A has polar coordinates (5, 60o)and vector B has polar coordinates (3,135o). What the scalar product of the two vectors
You decide to drop a melon from rest from the first observation platform of the Eiffel Tower. The initial height h from which the melon is released is 58.3 m above the head of your French friend Pierre, who is standing on the ground right below you.
a helicopter lifts a 72kg astronaut 15m vertically from the ocean from rest by means of a cable. the acceleration of
The "reaction time" of the average automobile driver is about 0.7 s. Compute the total distance covered in coming to a stop after a signal is observed from an initial velocity of 15.6 mi/h
When he was first thinking about relativity (and before he developed his theory), find the your friend's speed relative to your reference frame
A bar is 2.0 centimeter thick and 3.0 centimeter wide. Determine its total mass
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