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A bucket of mass 1.60 is whirled in a vertical circle of radius 1.45 . At the lowest point of its motion the tension in the rope supporting the bucket is 23. Find the speed of the bucket.
The position of an object as a function of time is r? =(3.2t+ 0.90 t2)i^+(1.7t? 1.2 t2)j^m, Find the object's magnitude of the acceleration and What is the direction of the acceleration
If, instead, the gold is drawn out into a cylindrical fiber of radius 1.5µm, what is the length of fiber.
a 0.45 kg croquet ball is initially at rest on the grass. when the ball is struck by a mallet, how long was the mallet in contact with the ball
A jogger travels a route that has two parts. The first is a displacement of 2.70 km due south, and the second involves a displacement that points due east.
Three capacitors with capacitances C1 = 2.9 nF, C2 = 3.1 nF, and C3 = 1.7 nF are wired to a battery with V = 14.3 V, What is the potential drop across capacitor 2
A damped mass-spring system oscillates at 275-Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 3.20cm and the energy of the oscillating system is then 32 J.
What is the torque on the root of the tooth about point A.
Old naval ships fired 13 kg cannon balls from a 210 kg cannon. It was very important to stop the recoil of the cannon, since otherwise the heavy cannon would go careening across the deck of the ship.
An oil drop (density = 0.80 grams/cm3) has a diameter of 2.30 ?m. (This is about the size of a bacterium.) (A) Find the mass of the drop, What is the value of the electric field
What is the peak emf of the generator when its coil rotates at a frequency of 50 Hz? Find out the frequency of the coil's rotation when the peak emf of the generator is 163 V.
A laser produces a 5.10mW beam of light, consisting of photons with a wavelength of 637.8nm. How many photons are emitted by the laser each second
An arrow is shot at an angle such that it's horizontal velocity is 40 m/s, Find the horizontal distance the arrow will travel
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