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A 4 m long rope weighing 1.4 N is stretched so that the tension is 10 N. The left end is then made to oscillate vertically at 4 Hz by shaking the rope up and down a total distance of 10 cm.
(a) What is the speed of the traveling waves on the rope?
(b) What is the wavelength of the waves?
(c) Write the equation of the traveling waves along the rope (ignoring the reflected waves from the far end).
Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium
Illustrate at what horizontal distance, x, from the base of the building will the rock strike the ground? Assume the ground is level and that the side of the building is vertical. The acceleration of gravity is 9.8 m/s2 .
A standard 1 kilogram weight is a cylinder 40.0 mm in height and 51.0 mm in diameter. What is the density of the material
A speedboat moving at 30 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of negative 3.5 m/s^2 by reducing the throttle. How long does it take boat to reach the buoy.
An aluminum cup of mass 200 g contains 800 g of water in thermal equlibrium at 80.0c. the combination of cup and water is cooled unformly so that temperature decreases by 1.50c per minute. at what rate is energy being removed by heat.
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here.
Calculate the rates of solar heating
Illustrate what is the tangential velocity of the bug? One second after the bug starts from rest, what are its tangential acceleration, radial acceleration, and total acceleration(with the degree)
What is frequency of the string
Two crates, of mass 75 kg and 105 kg, are in contact and at rest on a horizontal surface. A 732 N force is exerted on the 75.00 kg crate.
A 0.33kg block is located 0.2 m from the center of a turntable. The coefficient of static friction between block and surface of the turntable is 0.44.
A 3.0 syringe has an inner diameter of 5.0, a needle inner diameter of 0.28, and the plunger pad diameter (where you place your finger) of 1.20.
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