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Assume the moment of inertia of the flywheel was 0.10 kg•m2. A sample graph of the angular speed of the flywheel when it was rotated freely is shown. Find the frictional torque present in the bearing.
An idiot following a fire truck northbound up the side of the highway is going 70 mph while the fire truck is going 60 mph. What is the frequency heard by the idiot
A woman finds the front windshield of her car covered with ice at -12.0 °C. How much heat is required to melt the ice
In 2004 baseball player Adam Dunn hit the longest home run ever hit in Great American Ballpark in Cincinnati. He hit a homer which went 535 ft (163.1 m). What was the maximum height achieved by the baseball
The velocity of the electrons in the wires is very slow (few mm/s), but when one turnsonthe light, onedoesn't see any delay. Why?
a boat has a mass of 6020 kg. its engines generate a drive force of 3350 n due west while the wind exerts a force of
lab 4 involves the roller coaster and its physics. this simulation can be downloaded from granthams website under
A bicycle wheel, of radius 0.31 m and mass 3.0 kg (concentrated on the rim) is rotating at 4.20 rev/s. After 42 s the wheel comes to a stop as of friction. What is the magnitude of the average torque due to frictional forces?
A simple harmonic oscillator consists of a block of mass 4.70 kg attached to a spring of spring constant 230 N/m. When t = 0.890 s, the position and velocity of the block are x = 0.124 m and v = 3.900 m/s. (1) what is the amplitude of the oscillation..
A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.
A ball is thrown vertically upward with an initial speed of 19.6 m/s. Sketch a graph for the position, velocity, and acceleration of the ball for the first five seconds of its motion. How long does it take for the package to hit the ground
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
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