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A small ferry boat is 4.0m wide and 6.0m long and is floating in fresh water(density =1,000kg/m^3) when a loaded truck pulls on to it, the boat sinks an additional 4.0cm into the water.
a) what is the weight of the truck?
B) as the boat moved into salt water density =1,030 kg/m^3,does the ferry rise, sink, or remain the same relative to the water?
C) if there is a change how much?
A U tube is filled with water, and the two arms are capped. The tube is cylindrical, and the right arm has twice the radius of the left arm. The caps have negligible mass, are watertight, and can freely slide up and down tube.
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A 5.0 kilogram block is experiencing an applied 3.0 newton force in the positive x direction and is held stationary by an opposing frictional force, Determine the magnitude of the normal force
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Sound with a frequency 700 Hz from a distant source passes through a doorway 1.07 m wide in a sound-absorbing wall. Find the number of the diffraction minima at listening positions along a line parallel to the wall
the following takes place at a colony on the moon some time in the distant futurea 40 kg cannon is loaded with a 10 kg
A proton accelerates from rest in a uniform electric field of 670 N/C. At some later time, its speed is 1.38 106 m/s. How far has it moved in that interval
A 28.0-kg block is connected to an empty 2.66-kg bucket by a cord running over a frictionless pulley. Calculate the acceleration of the system
What is the calculated binding energy of the electron in the ground state of (a) deuterium, (b) He+ and (c) Be+++
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