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The front and rear sprockets on a bicycle have radii of 8.67 and 5.55cm, respectively. The angular speed of the front sprocket is 9.35rad/s. Calculate the linear speed (in cm/s) of the chain as it moves between the sprockets.
Someone's weight while standing on the Earth's surface is m x g, where g has the familiar surface value of 9.80 m/s^2. Find an algebraic epxression for your weight
An air conditioner connected to a 120 V rms ac line is equivalent to a 14.9 ? resistance and a 1.39 ? inductive reactance in series. calculate the impedance of the air conditioner
A diver springs upward from a board that is three meters above the water. Determine her initial velocity, both magnitude and direction
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 680m to be the other plate.
A student stands on a platform that is rotating without friction at 1.2 rev/s. His arms are outstretched and he holds a brick in each hand. what is the new angular speed of the system
How should a leader employ the theory of variation to accomplish this - What role does variation play in leadership?
A heat engine has an efficiency of 61.5% and it exhausts 7500 J of waste heat into the environment. How much work is performed by the previous heat engine
How various meters away is a cliff if an echo is heard 0.475 s after the original sound? Assume that sound traveled at 343 m/s on that day.
A 30 kg child is sitting on the outer edge of a 100 kg carousel with a radius of 2.0 m. What is the moment of inertia of the carousel and child
A rifle shoots a 4.50g bullet out of its barrel. The bullet has a muzzle velocity of 965 m/s just as it leaves the barrel. For how long a time is the bullet in the barrel
Find the power factor for an RC circuit connected to a 80.0Hz generator with an rms voltage of 155V
A door of width 1.0 and height 2.0 weighs 279 and is supported by two hinges, one a distance 0.500 from the top and the other a distance 0.50 from the bottom. Each hinge supports half the total weight of the door.
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