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A pail of water is rotated in a vertical circle of radius 1.00 m (the approximate length of a person arm). What must be the minimum speed of the pail at the top of the cirlce if no water is to spillout.
q1. an automobile with a mass of 1340 kg has 3.00 m between the front and rear axles. its center of gravity is located
a ball is launched with a velocity of magnitude 6.00 m/s, at an angle of 41.0° to the horizontal. find the angle of its displacement from the launch point
Calculate the magnitude of B when the force on wire. The time constant of an RC circuit is 5.5 s. How much time t is required for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
A particle with radius r=5i+4k+3k has a force of F=3i-8j+5k acting on it. What is the torque in unit vector notation about the origin
A particle of mass 4.41x10-13 kg carries a charge of 3.97x10-11C. what is its speed in meters per second
a physics professor demonstrates the doppler effect by tying a 600hz sound generator to a 1.0-m-long rop, what are the highest and lowest frequencies heard by a student in the classs room
Short pulses of laser light traveling in the x-direction with a diameter of 1 mm are incident on a perfect mirror. The pulses are 10^-13 seconds long and have a repetition rate of 10 Hz, each with an energy of 1 mJ.
A 600-kg car is going over a curve with a radius of 120 m that is banked at an angle of 25 degrees with a speed of 30.0 m/s. What is the normal force exerted by the road on the car
When the projectile is at the top of its trajectory, an internal explosion causes it to separate into two fragments of equal mass. One of the fragments falls straight downward as though it had been free from rest.
During a rain storm, rain comes straight down with a velocity Vi = -15 m/s, find the average force exerted by the rain on the roof during a 3 second time interval
A string fixed at both ends is 8.98 m long and has a mass of 0.125 kg. It is subjected to a tension of 92.0 N and set oscillating. find the longest possible wavelength for a standing wave
Four resistors 10 ohms , 16 ohms , 22 ohms , and 38 ohms are in parallel. Find the current in each resistor when the parallel combination is across a 6.0 V battery
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