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A 5.45-N beam of uniform density is 1 .60 m long. The beam is supported at an angle of 35.0o by cable attached to one end. There is a pin through the other end of the beam (Figure). Use the values given in the figure to find the tension in the cable.
A bicyclist coasts down a 5.39° slope at a steady speed of 8.37 m/s. Assuming a total mass of 87.1 kg (bicycle plus rider), what must the cyclist's power output be to pedal up the same slope at the same speed
A certain amount of a monatomic gas is maintained at constant volume as it is cooled by 50 K. Determine how much work is done by the gas
Consider a string with length 36 cm. The two ends are attached to the ceiling, separated by distance 30.0 cm. A 1 kg mass is attached to the string at distance 15 cm from the left end. Then the mass hangs suspended in Earth's gravity. (a) Determin..
Research suggests that the electric fields in some thunderstorm clouds can be on the order of 10 kN/C. Compute the magnitude of the electric force acting on a particle with two excess electrons in the presence of a 10.0-kN/C field.
At a right angle to a magnetic field. The acceleration of gravity is 9.81 m/s2. What is strength of the magnetic field necessary to exactly balance the weight of the proton and keep it moving horizontally.
A wheel rotates about a horizontal axis, as shown in the figure. It has an outer radius R1 = 18.8 cm and mass M1 = 4.51 kg. What is the acceleration of the hanging weight after it is released
What is the relationship between voltage and energy?More preciesly what is relationship b/w potential diffrence and potential energy
Discover the current through each of the resistors in the circuit above. Give both the direction and magnitude of current flow.
Suppose you performed the experiment in atmosphere of Argon at 25 deg. C, How many electrons have been attached to, or detached from the initially neutral plastic sphere
A circular SPACE HOTEL in orbit around the earth has a diameter of 355 m. Find the tangential speed of a point on the rim
An archer pulls his bow string back 0.440 m by exerting a force that increases uniformly from zero to 224 N. What is the equivalent spring constant of the bow
a child of mass 32 kg sits on a wooden horse on a carousel. the wooden horse is 3.7 m from the center of the carousel
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