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If you apply a 4 N force on a string wrapped around an object that has an inertia of 0.03 \mathrm{kg\:m}^2 , what is the angular acceleration you expect from the falling object? Assume the string is wrapped around an 5 cm pulley. Answer in radians per second squared.
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
A 13g bullet traveling 221 m/s penetrates a 2 kg block of wood and emerges cleanly at 160 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
Mason's net income (pre-bonus) is expected to be $3,000,000, and bonus expense is deducted in computing net income. Illustrate what is the amount that needs to be recorded for estimated bonus liability for 2010?
From the equation for the line of best fit given, what is the magnitude of the crankshaft's angular acceleration? Express your answer using two significant figures.
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
An airplane reaches a velocity of 71.0m/s when it takes off. What is should its acceleration be if the runway is 1-km long.
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants?
The kinetic friction force between surface and disk slows down its linear motion while at the same time making the disk spin on its axis at an accelerating rate. Finally, the disk's rotation catches up with its linear motion, and disk begins to roll ..
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.
The energy of a simple harmonic oscillator could be doubled by increasing the amplitude by a factor of approximately
When the electric power was turned off, the electric motor originally running at 1800 rpm comes to rest in 15.0 s. Find out the angular acceleration, the angular velocity at the end of 5.0 s, and the total angle turned through in 15.0 s.
On a frictionless table, a glob of clay of mass 0.340kg strikes a bar of mass 1.44kg perpendicularly at a point 0.10m from the center of the bar and sticks to it.
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