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A circular saw blade of diameter 0.180m starts from rest. In a time interval of 5.80s it accelerates with constant angular acceleration to an angular velocity of 140 rad/s .
A) Find the angular acceleration.
B) Find the angle through which the blade has turned.
The two stars in a binary star system have masses 2.2x10^30kg and 5.9x10^30kg. They are separated by 1.8x10^12m. What is the speed of the lightest star
18th Century cannon had a maximum range of 1.10 miles when fired on level ground. Find the velocity of the cannonball as it leaves the cannon
A small piece of dust of mass m = 1.2 g travels horizontally through an electric air cleaner in which the electric field is 472 N/C, What is the charge of the dust particle
A very massive object -almost innitely massive - moving with velocity v1 = 100m/s hits a very light object - "massless" - at rest. What is the final velocity of the very light object
Positive charges with magnitudes 3.50 mC and 6.75mC are located at the origin and at the point (10,0) metters on the x axis, respectively. What are the strength and direction of the field they generate at the point (0,10) on the y axis?
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck, find the speed of the ball just before it lands
A 15g bullut is stopped in a block of wood ( mw=5.8 kg). What was the origional speed of the bullet
An engineer claims to be able to compress 0.100 kg of water vapor at 200. degrees C and 0.100 MPa in a piston-cylinder arrangement in an isothermal and adiabatic process. determine final temperature and pressure
A curve of radius 152 m is banked at an angle of 11°. An 722-kg car negotiates the curve at 86 km/h without skidding. avoid the effects of air drag and rolling friction.
A car is travelling at a constant speed of 31.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration mu..
A "1m" mercury germicide lamp emits 50 Watt of 0.2537?m light through its quartz tube. compute the frequency of this light
When the magnetic flux through a single loop of wire increases by 30 Tm^2, an average current of 40 A is induced in the wire. over what period of time did the flux increase
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