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A wooden cylinder of length 2.0m and cross section 78cm^2 is suspended in vertical positionwith a string of length 2.5m. The density of the wood is 800kg/m^3. The fundamental frequency of the string is measured to be 24 Hz
a) Find the linear density of the string
b) The cylinder is immerse in water on a distance x. As a result the frequency at which the string vibrates reduces to 12Hz. Find the value of x
c) At what value for x the string will cease to vibrate?
A lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is ..
Considering only the gravitational forces that the spheres exert on each other, illustrate what is the magnitude of the initial acceleration of the third sphere?
A 340 g air track cart traveling at 1.25 m/s collides elastically with the 300 g cart traveling in the opposite direction at 1.33m/s. What is the speed of the 300g cart after collision.
A train moves at speed v. Bullets are successively fired at speed u (relative to the train) from the back of the train to the front, What is the maximum number of bullets that are in flight at a given instant, in the ground frame
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A dog searching for a bone walks 3.00 m south, then 8.20 m at an angle 30.0° north of east, and finally 14.0 m west. Find out the dog's resultant displacement vector using graphical techniques.
examine the strengths and weaknesses of the various measures of investment attractiveness as used by Euro land Foods. Will all of the measures rank the projects identically? Explain why of explain why not?
Show that the boundary conditions far away from the cylinder
A student removes a 10.50 kg stereo from a shelf that is 1.802 m high. The amplifier is lowered at a constant speed to a height of 0.75 m. What is the work done by a) person and b) gravitational force that acts on the amplifier.
How high will a 0.32kg rock go if thrown straight up by someone who does 119J of work on it? Avoid air resistance.
Determine the resulting specific gravity when the three liquids in the containers A, B and C are mixed together.
A glucose-winged gull, ascending straight upward at 5.20 m/s drops a shell when it is 12.5 m above ground.
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