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An object of unknown mass is attached to an ideal spring with force constant 150N/m and is found to vibrate with a frequency of 6.00Hz.
A) Find the period.
B) Find the angular frequency.
C) Find the mass of this object.
A spool of thin wire rotates without friction about its axis. A man pulls down on a wire connected to an inner radius with force of 16.10 N. How long does it take to enlarge the angular velocity of the spool from 11.00 rad/s to 39.00 rad/s? Icm = ..
A uniformly charged, thin ring has radius 10.0 cm and total charge + 15.0 nC. An electron is placed on the ring's axis a distance 30.0 cm from the center of the ring and is constraned to stay on the axis of the ring. The electron is then released ..
A firefighter with a weight of 702 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward. What are the magnitudes and directions (choose the positive direction up) of the vertical forces
A thin rod has a length of .25 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. What is the angular momentum of the rod before the bug started crawling
A circular loop of radius 2.58 cm contains 65 turns of tightly wound wire. what torque acts on the loop
A tennis ball is thrown from ground level with velocity v_0 directed 30 degrees above the horizontal. what is the magnitude of the intial velocity
A vertical electric field of magnitude 2.45 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. Determine the electric flux through the bottom of the car
A vertical tube 1.9cm in diameter and open at the top contains 4.0g of oil (density 0.82 g/cm^3) floating on 4.0g of water. Find the gauge pressure at the oil-water interface
A helicopter is ascending vertically with a speed of 5.03m/s. How much time does it take for the package to reach the ground
a 100mA current flows through a copper wire 0.10mm in diameter, a 1.0mm diameter glass tube containing a salt solution, and a vacuum tube, Find the drift speed in the electron beam
a 5 kg block moving at 4.0 m/s collides and sticks with a second stationary block of mass 3.0 kg, find the velocity of blocks after the collision
Two equally charged particles each have a mass of 0.015kg. They are suspended by a light string with a 60 degree angle between them. find the magnitude of the repulsive electric force
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