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A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end as in the figure below. The right end of the beam is supported by a vertical column.
(a) Find the tension in the rope.N upward
(b) Find the force that the column exerts on the right end of the beam.N upward
There are two identical, positively charged conducting spheres fixed in space. The spheres are 45.0 cm apart (center to center) and repel each other with an electrostatic force of F1 = 0.0720 N. find the initial charge on each sphere
From point B, the ball was in the air 2.0 seconds and traveled a horizontial distance of 16.2 meters before hitting the ground. Illustrate with what velocity did the ball leave her hand at point B?
A thin hemispherical shell of radius R has a uniform surface charge, Find the electric field at the center of the base of the hemispherical shell
A uniform steel beam has a mass of 1640 kg. On it is resting half of an identical beam. What is the vertical support force at each end.
A straight wire segment 4 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire
An electron is initially moving at a speed of 1740 m/s directly toward a long wire that has 2.00 A of current flowing through it. What are the direction and amount of the force
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the diameter of the nozzle
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76 10-11 m. Determine the kinetic energy of the electron.
WebAssign will do simple calculations for you, using +, -, *, /, parentheses, and E-notation. For instance, if a question asks for half the sum of 246 and 388, you can enter "(246+388)/2".
A guitar string is vibrating in its fundamental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.385 m. What is the amplitude of this standing wave
a revolving car wheel has a radius of 15m and a mass of 3 X 10^4 kg. what torque needs to be applied to stop the car wheel in 15 sec
Calculate the mass of a solid gold rectangular bar that has dimensions lwh = 4.20 cm 12.0 cm 29.0 cm. (The density of gold is 19.3 103 kg/m3.
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