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A uniform disk with a mass of 775 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz when Jill drops a 180-g clod of clay on a point 7.70 cm from the center of the disk, where it sticks. What is the new rotational speed of the disk? Hz
An artillery shell is launched on a flat, horizontal field at an angle of ? = 37.8° with respect to the horizontal and with an initial speed of v0 = 277 m/s. What is the horizontal distance covered by the shell after 9.26 s of flight? What is the ..
What is the potential diffrence between two infinte parallel plates seperated by a distance d with uniform surface charge densities +s and -s, what is the voltage at positive infinity
What angular resolution would you need to see the Sun and Jupiter as distinct points of light if you were looking at it from 15 light years away
To measure the static friction coefficient between a 2.2-kg block and a vertical wall, the setup shown in the drawing is used. What is the coefficient of static friction
Two loudspeakers emit 400Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck, What is the truck's speed in m/s
A 818 kg car is going 28 m/s and the driver has to slam on his brakes to prevent an accident. find the change in temperature of the brake pads and rotors
A highway curve with a radius of 550 m is banked properly for a car travelling 130 km/h. If a 1660- kg Porshe 928S rounds the curve at 250 km/h, how much sideways force should the tires exert against the road if the car does not skid.
What is the magnitude of the torque about the point where the beam is bolted into place.
The 95 mu F capacitor in a defibrillator unit supplies an average of 6500 W of power to the chest of the patient during a discharge lasting 5.0 ms
An antifreeze solution is made by mixing ethylene glycol (?= 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
You are part of a searchand- rescue mission that has been called out to look for a lost explorer. What minimum speed must the rocket have just before impact in order to save the explorer%u2019s life
Consider two widely separated conducting spheres, 1 and 2, the second having twice the diameter of the first, What is the ratio of the final surface charge density of sphere 1 to that of sphere 2
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