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A wheel rotating with a constantangular acceleration turns through 22 revolutions during a 3 s timeinterval. Its angular velocity at the end of this interval is 15rad/s.
What is the angular acceleration of the wheel? Note that the initial angular velocity isnot zero.
What is the maximum torque on a 150-turn circular coil of radius 0.7 cm that carries a current of 1.1 mA and resides in a uniform magnetic field of 0.15 T? Answer in units of N middot m
a jogger runs along a straight and level road for a distance of 5.0 km and then runs back to her starting point. it
A compound microscope has a barrel whose length is 16.3 cm and an eyepiece whose focal length is 1.3 cm. What focal length must the objective have so the angular magnification of the microscope is -250
A series RLC circuit has components with R= 50 ohms, L= .15 Hz, and C= 20 uF. A) What is the current in the circuit, expressed as a percentage of the maximum possible current? B) What is the power delivered to the circuit, expressed as a percentage o..
A fun-loving 11.4 {rm kg} otter slides up a hill and then back down to the same place. If she starts up at 5.75 {rm m/s} and returns at 3.75 {rm m/s}, how much mechanical energy did she lose on the hill.
A CD originally at rest reaches an angular speed of 39 rad/s in 4.8 s. What is the magnitude of its angular acceleration
A baseball can be thrown from the outfield in two manners, one withno bounce at all and the other with a single bounce. Theorysays that the ball arrives sooner after the first bounce.
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 9.0 m/s right before entering the wood. The mass of the nail is 0.060 kg, how far into the wood does the nail go
Wile. E. Cayote runs full-speed into a bank vault just as the door is closing. What was the doors angular speed right before the collision
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the max speed obtained by the object
If the end of the crutch is a circle of radius 1.0 without the tip, by what factor does the tip reduce the pressure exerted by the crutch
The combination of an applied force and a friction force produces a constant total torque of 35.2 N · m on a wheel rotating about a fixed axis. The applied force acts for 6.10 s. During this time, the angular speed of the wheel increases from 0 to..
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