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A thin, uniform rod is hinged at its midpoint. To begin with, one-half of the rod is bent upward and is perpendicular to the other half. This bent object is rotating at an angular velocity of 8.0 rad/s about an axis that is perpendicular to the left end of the rod and parallel to the rod's upward half (see the drawing). Without the aid of external torques, the rod suddenly assumes its straight shape. What is the angular velocity of the straight rod?
Apply those results to get how much slower a clock goes near the earth than one, which is higher up.
Two blocks M1 and M2 are connected by a mass-less string that passes over a mass-less pulley. find the acceleration of the two blocks
what is the decrease in entropy of 25.0g of water that condenses on a bathroom mirror at 35C assuming no change in temp and given the latent heat of vap to be 2450KJ/KG
A highway curve of radius 500 m is designed for traffic moving at a speed of 73 km/hr. What is the correct banking angle of the road.
In order to determine the coefficients of friction between rubber and various surfaces, a student uses a rubber eraser and an incline. In one experiment, determine the coefficients of static and kinetic friction for this experiment
a quasars spectrum shows a shift in spectral lines of 0.158. Use the doppler-shift formula to determine what recession velocity this shift indicates, calculate the recession velocity in kms per second
Two point charges, q1= 2.40 nC and q2= -6.50 nC, are 0.100 m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2 (see the attachment). Take the electric potential to be zero at infinity.
A block of weight 43.6 N is hanging from a rope. The tension from the rope is pulling upward on the block. The block is accelerating upward at a rate of 1.22 m/s^2. What is the magnitude of the tension in the rope?
How much is the time measured by an astronaut in a spaceship for a class on the Earth that lasts for one hour (the time measured on the Earth),
A satellite with a mass of 310 kg moves in a circular orbit 3.00 107 m above the Earth's surface. What is the gravitational force on the satellite
A 9770 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 28 mph, 19 degrees East of North. What is the force of the wind (Fwind) on the boat
An outfielder throws a 0.150 kg baseball at a speed of 39.6m/s and an initial angle of 34° What is the kinetic energy of the baseball at the highest point of its trajectory.
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