What is the uncertainty in the position
What is the uncertainty in the position of an electron if it is moving with a speed of 2.05 * 10 6 m/s and the momentum is measured with a precision of 0.5%.
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A thing, rigid, spherical shell with a mass of 4.00 kg and diameter of 0.200 m is filled with helium at 0 degrees celsius and 1 atm pressure. It is then released from rest on the bottom of a pool of water that is 4.00 m deep. A) determine the upwa
he moves an additional 0.76 m before coming to rest. Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground while he slows down?
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.5 cm--long massless string and are at rest on a frictionless surface. Each is charged to +2.5uC .
A jet plane lands with a speed of 101 m/s and can accelerate at a maximum of -5.00 m/s^2 as it comes to rest. What is the actual minimum distance needed to stop the plane?
Calculate the rate of spreading per year between each pair of islands that corresponds to the separation distance and the age difference for that pair. (note: you will have to convert the kilometers to centimeters to get the rate per year; one kilome
If the window is 14 m above the ground, find the time the stone is in flight and Find the speed of the stone just before it hits the ground.
A 60 meteorite buries itself 6.0 into soft mud. The force between the meteorite and the mud is given by = (750 ), where is the depth in the mud. What was the speed of the meteorite when it initially impacted the mud?
For a hammer dropped on earth, the initial gravitational potential energy is 60.0 {rm J}. What would be the initial gravitational potential energy for the hammer on the moon (where the acceleration due to gravity is 1.67 {rm m/s^{2}}) if it is re
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