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A 50.0-cm, uniform, 59.0-N shelf is supported horizontally by two vertical wires attached to the sloping ceiling show in the figure. A very small 27.0-N tool is placed on the shelf midway between the points where the wires are attached to it.
Find the tension in left wire.
Find the tension in right wire.
Through what maximum angle θmax will the reference line turn in the positive direction? What are (b) first and (c) second times the reference line will be at θ = θmax/3? At what (d) negative time and (e) positive time will the reference line be at..
Water at 22.0 °C is sprayed onto 0.203 kg of molten gold at 1063 °C (its melting point). What is the minimum mass of water that must be used
A car moves in a flat, circular path of radius R on a surface with a coefficient of kinetic friction of 0.25 and a coefficient of static friction of 0.35. How long does it take the car to complete one orbit
a child loses his balloon which rises slowly into the sky. if the balloon is 16 cm in diameter when the child loses it
the magnitude of the net electric field. A lead ball is dropped into a lake from a diving board 6.40 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water.
A meter stick by a mass of 0.250 kg is pivoted about one end so that it can rotate without friction about a horizontal axis. The meter stick is held in a horizontal position and released.
Heat is transferred to the refrigerant such that the pressure inside the tank remains constant. The valve is closed when no liquid is left in the tank and vapor starts to come out. Determine the total heat transfer for this process.
Natural gold has only one isotope: If gold is bombarded with slow neutrons, particles are emitted. (a) Write the appropriate reaction equation. (b) Calculate the maximum energy of the emitted beta particles.
Suppose an airline allows a maximum of 32 kilogram for each suitcase a passenger brings along. Determine the weight of a 32 kilogram suitcase
Two protons are separated by a distance of 0.06 cm. What is the magnitude of the electric force for the protons
Three positive particles of equal charge, Q = 6.9 μC, are placed at the corners of an equilateral triangle of side 15.0, Find the magnitude of the net force on each particle due to the other two
Does the time of flight for the projectile depend on the initial height? Does the time of flight for the projectile depend on the initial velocity? Does the distance that the projectile lands from the initial launch site depend on initial velocity?
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