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A 360 kilogram object is supported on a wire attached to a 15-meter long steel bar that is pivoted at a vertical wall and supported by a cable. The mass of the bar is 85-kilogram. With the cable attached to the bar 5.0 meter from the lower end, find what are the tension in the cable and find the force exerted by the wall on the steel bar?
three forces act on a moving object. one force has a magnitude of66.5n and is directed due north. another has a
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
A charged particle is injected at 143 m/s into a 0.0855-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equivalent to 60 N at one end, at what point does the other person lift . If the tangential acceleration of a yo-yo at the en..
Two equal charges of magnitude +1 C are separated by a distance of 1 km. What is the force acting between these two charges
a particle of rest mass mo with kinetic energy 6moc2 makes a perfectly inelastic collision with an identical particle
suppose that while lying on a beach near the equator watching the sun set over a calm ocean you start a stopwatch just
An ideal gas expands isothermally, performing 4.36 multiplied by 103 J of work in the process. Calculate the change in internal energy of the gas
question1a small plastic sphere of mass m 137 g is attached to a string.there is an electric field of 174 nc directed
q1. speedboat a negotiates a curve whose radius is 118 m. speedboat b negotiates a curve whose radius is 270 m. each
A second baseman tosses the ball to first baseman, which catches it at the same level from which it was thrown. The throw is made with an initial speed of 15 m/s at an angle of 38.0^circ above the horizontal. What is the horizontal component of ba..
In order to freeze an ice cream mixture, its temperature must be brought below approximately -3°C. Explain how surrounding the ice cream in a salty ice water brine
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