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A 2.2 kg, 20 cm diameter turntable rotatesat 100 rpm on frictionlessbearings. Two 500 g blocks fallfrom above, hit the turntable simultaneously at opposite ends of adiagonal, and stick. What is the turntable's angular velocity, inrpm, just after this event?
rpm
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
You, Archimedes, suspect that the king?s crown is not solid gold but is instead gold-plated lead. What percentage (by weight) of this crown is made of gold
two equal positive charges of magnitudenbspq1nbspnbspq2nbsp 2 nc are on thenbspynbspaxis atnbspy1nbsp 3 cm
A diffraction grating has 3283 lines/cm. Light that contains all wavelengths between 480 and 659 nm shines on the grating
A rocket is fired with an initial velocity of 3m/s at an angleof 35 degrees to the horizontal. What is the initial vertical componet of velocity
The expanding gases that leave the muzzle of a rifle also contribute to the recoil. A .30 caliber bullet has mass 7.20×10?3kg, Find the momentum of the propellant gases in a coordinate system attached to the earth as they leave the muzzle of the rifl..
a crystal is mounted in a goniometer an apparatus that allows it to be turned around its axis. using x-rays of
on planet tehar the free-fall acceleration is the same as that on earth but there is also a strong downward electric
A spring loaded gun is used to launch a ping pong ball (mass 4g) at an angle of 50 degrees with the horizontal. how far does the ping pong travel if it is launched from the ground
The two plates of a capacitor hold +2510 uC and -2510 uC of charge, respectively, evaluate the capacitance
Jet fighter planes are launched from aircraft carriers with the aid of their own engines and a catapult. what is the work done on the jet by the catapult
A sphere of mass ofm= 1.40 kg is first placed directly on the plate of an electronic scale. The scale shows 13.73 N as the weight of the object. Calculate the density of the sphere
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