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A non-uniform beam of length 4.51m and weight 1.05kN makes an angle of 24.0 degrees with the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of 2.90m farther down the beam and perpendicular to it. The center of gravity of the beam is a distance of 2.08m down the beam from the pivot. Lighting equipment exerts a downward force of 5.09kN on the lower-left end of the beam.
A) Find the tension T in the cable.
B) Find the vertical component of the force exerted on the beam by the pivot.
C) Find the magnitude of the horizontal component of the force exerted on the beam by the pivot.
a greased pig is at the top of a 3m high frictionless hill moving at a speed of 5m/s. what is the pig's speed when it gets to the bottom of the hill
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A research balloon bound for the stratosphere is filled at sea level with 800 m3 of helium whose initial temperature is 285 K. What is the temperature of the helium
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +10q. Sphere B carries a charge of -7q. Sphere C carries no net charge.
A ball of mass 0.330 kg is thrown upward, rising 11.1 m above the point at which it was released. Compute the average force exerted on the ball by the hand
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
a 12.0 kg mass lies at x=-80.0 cm. A 21.0 kg mass is at x= 70.0 cm. The 12.0 kg mass is not moved to a different point on the x-axis. There is not a zero net force on the 10.0 kg mass. What is the new location of the 12.0 kg mass
PSI (x) is the wave function for a particle moving along the x axis. Write the mathematical that will allow us to calculate the probability that the particle is detected in the inteval X=A to X=B
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