Adisk of radius r is attached to a rod of length l2, and it rotates about it with angular velocity @ (as shown). the rod pivots about an arm of length l1, with angle o. this arm is attached to a vertical shaft that is rotating with the constant angular velocity of q. find (a) the angular velocity and (b) angular acceleration of the disk, and (c) the velocity and (d) acceleration of the center of the disk.
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Physics, 21.06.2019 21:50
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
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Physics, 22.06.2019 00:00
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocketโs acceleration during the first 16-s? b. what is the rocketโs speed as it passes through a cloud 5100-m above the ground?
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Physics, 22.06.2019 07:00
Examine the equation. 23490thโ23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
Answers: 1
Adisk of radius r is attached to a rod of length l2, and it rotates about it with angular velocity @...
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