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Q. You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 368 N. The store ownder desires that it hang out over the sidewalk. The sign has a weight of 206.0 N and the beam's weight is 50.0 N. The beam's length is 1.50 m and the sign's dimensions are 1.00 m horizontally x 0.80 m vertically.
1. What is the minimum angle that you can have between beam and cable?
2. What is the force exerted on beam by the fixture P (P is where the beam is attached horizontally to the brick wall) at the wall (magnitude and direction)?
3. What is the force by the wall on cable Q (Q is where the cable is attached to the brick wall)?
If a 37.2N horizontal force must be applied to slide a 15.8kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces.
A tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm .
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
illustrate a diagram to show the forces acting on the aircraft while it is flying in a horizontal circle with its wing banked at an angle to horizontal.
Charge q is fired through a small hole in the positive plate of a capacitor. If q is a positive charge, does it speed up or slow down inside the capacitor? reply this question using the concept of force.
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
Calculate the time constant that is equal to the time taken by a capacitor to fully charge or discharge.
Dan is gliding on his skateboard at 2m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 7.00m/s (as measured by an observer on the ground). Dan's mass is 50 kg and the skateboard's mass is 5.00 kg.
Evaluate the electrostatic energy of two opposite charges
If you were to use wire of twice the diameter, which of the above answers would change? Would they increase or reduce.
Radioactive decay of granite and other rocks in the Earth's interior provides sufficient energy to keep the interior molten, heat lava, and supply warmth to natural hot springs.
If a third charge, of 5, is now placed at the point = 3.00, = 4.00 find the components of the total force exerted on this charge by other two charges.
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