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A 0.548-kg ball is attached to one end of an aluminum wire that has a diameter of 1.44 mm and an unstretched length of 0.651 m. The other end of the wire is fixed to the top of a post. The ball rotates about the post in a horizontal plane at a rotational speed such that the angle between the wire and the horizontal is 5.10°. Calculate the tension in the wire. Calculate the increase in its length due to the tension in the wire.
q1. a cylindrical container with a cross-sectional area of 65.2 cm2 holds the fluid of density 846 kgm3. at the bottom
Two parallel plates, each of area 5.00 cm2, are separated by 2.00 mm with purified nonconducting water between them. calculate the charge stored on each plate
Dave needs to get groceries from the store, which is a distance D = 1.1km east of his house. How long in seconds does it take dave to reach the store
Force from crutches. A patient with a broken leg stands using a pair of crutches. The crutches support 75% of the 81 kg patient's weight. Find the force each crutch applies to the patient
a chartered airplane flies 100 km east, then 350 km north west, and then 150 km at 30 degrees west of south. determine the direction of the last leg of the journey
A compass needle initially points 19.7o E of N due to the Earth's magnetic field. What is the magnitude of the current in the wire
The motion of a particle is given by x = A sin^3(?t). What is the amplitude of the particle's motion
A standing wave has been created on a string of length 1.5m. The frequency of the wave is 25Hz. The ends of the string are nodal points and there are 3 antinodes. If the maximum amplitude of the wave is 5cm, write complete expressions, including v..
A parallel beam of unpolarized light in air is incident at an angle of 57.5 degrees (with respect to the normal) on a plane glass surface, What is the angle of refraction of the transmitted beam
A plank 2.00 cm thick and 16.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below, find the shear modulus of the wood
A spring-loaded gun, fired vertically, shoots a marble 9.2 straight up in the air. What is the marble's range if it is fired horizontally from 2.3 above the ground
A rectangular loop of N turns and of length a and width b is rotated at a frequency f in a uniform magnetic field B. What is the emf induced in the rectangular loop
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