Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
By what factor would the torsion constant need to be changed to make the smaller balance wheel oscillate at the original frequency?
The equation of a wave of twice the amplitude and twice the frequency travelling at the same speed but in the opposite direction.
The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth.
A circle of radius R, oriented with the plane of the circle horizontal, is attached to a vertical axis at one point on the circumference of the circle.
A particle of mass m slides down a smooth circular wedge (radius = R) of mass M (see fig). The wedge rests on a smooth horizontal table.
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates.
A 2 Kg block is suspended 5 m above the ground by a light rope wrapped around a 3 kg solid pulley wheel, as shown in figure below.
For the idealized system shown, what is the natural circular frequency in rad/sec, and the period of oscillation in seconds?
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.9 m above the water.
A solid circular disk has a mass of 1.2 kg and a radius of 0.16m. Each of three identical thin rods has a mass of 0.15 kg.
If the plane of the loop is vertical and if the bead starts from rest at a point that is level with the center of the loop.
The neutron is a particle with zero charge. However, it has a nonzero magnetic moment of 9.66 × 10-27Am2.
A student is performing measurements with a hockey puck on a large merry-go-round with a frictionless, horizontal, flat surface end has a constant angular.
The electron will travel in a (clockwise vertical, clockwise horizontal, counterclockwise vertical or counterclockwise horizontal) and circle of radius m.
Three charged particles are injected into a uniform magnetic field all of the particles have the same speed, but their masses and charges are different.
What is the angular acceleration in terms of known quantities, and what force P will cause the disk to begin slipping if the coefficient of static friction.
A potentiometer senses the angle of the beam at the centre, and relates this to the required direction of travel for the trolley.
Shown below are seven situations where a student is holding a meter stick at the left end at various angles.
A uniform stick of mass M and length l is suspended horizontally with end B on the edge of a table, and the other end, A is held by hand.
A cylinder of mass M and radius R is rotated in a uniform V grove (which looks like a rectangular block with an 45-45-90 degree triangular prism.
Relate the accelerations of m and the disk, a and A, respectively to the angular acceration of the disk.
The Deck Hatch is in a horizontal plane at depth H below the sea surface. Find the torque about an axis through the hinge, exerted on the hatch by the sea.
A truck whose weight is W, has a wheelbase (distance between front and back wheels) B= 3.2 meters.
A safety device used by workers climbing ladders fixed to high structures consists of a rail attached to the ladder and a sleeve which may slide.
A 12 pole, 60 Hz synchronous machine has an internal rms voltage of 10 kV. Its internal synchronous reactance is 10 ohms.