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Find the ratio of the magnitudes of the Earth's orbital angular momentum and its rotational angular momentum.
A colonial gunner sets up his 225-kg cannon at the edge of the flat top of a high tower. It shoots a 4.5-kg cannonball horizontally. The ball hits the ground 215 m from the base of the tower. The cannon also move on frictionless wheels, and falls off..
What is the magnitude of the horizontal net force. An 845-N sled is pulled a distance of 168 m. The task requires 1.20 multiplied by 104 J of work and is done by pulling on a rope with the force of 121 N. At what angle is the rope held.
Two vectors A and B have components (0, 1) and (-1, 3), respectively. What are the components of the sum of these two vectors
A torque of 11Nm is applied to a heavy wheel whose moment of inertia is 34 kgm2. What is the angular acceleration of the wheel
On a drive from your home to town, you wish to average 33.6 miles per hour. Determine what average speed must you maintain in the remaining distance in order to have an overall average speed of 33.6 mph
A small glass bead has been charged to + 30{rm nC} . a)What is the magnitude of the acceleration of a proton that is 3.0{rm cm} from the center of the bead? b)What is the magnitude of the acceleration of an electron that is 3.0{rm cm} from the cen..
An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is 1837 times that of the electron.Assume that all motion, before and after the collision, occursalong the same straight line.
The half life of 14C is 5730 years. What fraction of the 14C nuclei in a sample are left after 7180 years? The amount of 14C in an old, isolated sample of vegetation is 0.744 that expected from a present day sample by equivalent carbon content. Compu..
A long, narrow, rectangular loop of wire is moving toward the bottom of the page with a speed of 0.020 m/s. find the magnitude of the change in the magnetic flux
question1a war-wolf or trebuchet was a device used throughout the middle ages to throw rocks at castles and now
A wood block weighing 130N rests on an inclined plane .The coefficient of kinetic friction among the block and the plate is 0.620. Discover the angle of the inclined plane, Θ, at which the block will slide down the plane at a constant speed once it h..
At the factory, a noon whistle is sounding with the frequency of 464 Hz. As a car travelling at 76 km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
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