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A flatbed truck is carrying a 20.0 kilogram crate up a sloping road inclined 15.0o above the horizontal. The coefficient of static friction between the bed and the crate is 0.400. Find the maximum acceleration that the truck can have if the crate is to stay in place?
Two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the wave function y = (2) sin(0.5x) cos(500t), Determine the wavelength of the interfering waves
The output voltage of an AC generator is given by ?v = (120 V) sin (80?t). The generator is connected across a 21.0-? resistor. Find the maximum current in the resistor
A mass of 0.25 kg is attached to a horizontal spring with a spring constant of 4.0 N/m. Write an expression for the position of the mass as a function of time
A 1.5m -long barbell has a 22kg weight on its left end and a 35kg weight on its right end. If you ignore the weight of the bar itself, how far from the left end of the barbell is the center of gravity
an object with a mass of .40 kg moving with a speed of 25 m/s is brought to rest after sliding on a rough surface. What is the stopping distance of the object
In a certain region, the earth's magnetic field has a magnitude of5.4 x 10-5 T and it is directed north at an angle580 below the horizontal. An electrically charged bulletis fired north and 110 above the horizontal with a speedof 670 m/s. The magneti..
Every year, there is a foot race to the top of the Empire State Building. The vertical distance traveled (using the stairs!) is about 440 m. what was his average power output during the race
A resistor is constructed by forming a material of resistivity 3.5x10^5 into the shape of a hollow cylinder of length 4.0 cm and inner and outer radii of 0.50cm and 1.2cm, respectively. Find the resistance of the cylinder
Your expression should give 3.0 m/s for and your answer to part A for theta. Express your answer in terms of theta. Sketch a graph of v versus theta for one complete revolution.
To basketball player bounces the 0.60-kg basketball to anotherplayer by bouncing it off the court. what was the impulse delivered to it by the court
an oxide cathode of a vacuum tube has a work function of 2.0 eV. Calculate the electron flux (number per time per area) from thermal emission when the cathode is heated to 1000 K
The drawing shows an equilateral triangle, each side of which has a length of 2.23 cm. Point charges are fixed to each corner, Determine the charge qA and qB
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