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A 1430-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the magnitudes of the (b) horizontal and(c) vertical components of the force that the wall exerts on the left end of the beam.
The displacement of a harmonic oscillator is given by y =8.6 sin(14t), Determine what is its maximum velocity
A 8.50-kg block of ice, released from rest at the top of a 1.41--long frictionless ramp, slides downhill, reaching a speed of 2.71 at the bottom. What is the angle between the ramp and the horizontal
gliese 581c is the first earth-like extrasolar terrestrial planet discovered. its parent star gliese 581 is a red dwarf
A large incandescent light bulb used in a spotlight in the 1939 movie "The Wizard of Oz" had an operating temperature of 2500 degrees Kelvin. determine the thermal power from the filament in Joules/second
A 200 kg communications satellite is placed into a circularorbit around the Earth with a radius of 4.23 x 107m(26,000 miles). Find the gravitational force on the satellite
A nonconducting spherical shell, with an inner radius of 4 cm and an outer radius of 6 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ? is the charge per unit volume, with the uni..
The electric potential difference across the cell membrane of ahuman cell is 0.080 V, with the higher potential being outsidethe cell. In one cellular process a sodium ion Na+, with charge+e, is "pumped" through a channel in the membrane to beejected..
A wrench is thrown at a speed of 69 mph at a wall that is 70 ft away. How much force does the wall exert on the wrench and in what direction
A bungee jumper with mass 52.0 kg reaches a speed of 13.5 m/s moving straight down when the elastic cord tied to her feet starts pulling her back up. find the average force that the bungee cord exerts on the jumper
Batman, mass = 91kg, jumps straight down from a bridge into a boat, mass =510kg, in which a criminal is fleeing. The velocity of the boat is initially =11m/s. What is the velocity of the boat after batman lands on it?
If the magnitude of the electric field at the surface of an is olated solid spherical conducting ball is 0.1 V/m and the electric potential is 899 Volts, what is the capacitance C of the ball?
fred wants to figure out how much extra it cost him to heat his house at 75.00 f so he does an experiment. he picks a
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