Uncertainty in the electrons momentum
An electron passes through a slit of width 7.89 10-8 m. What is the uncertainty in the electron's momentum component in the direction perpendicular to the slit but in the plane containing the slit?
Expected delivery within 24 Hours
A space vehicle is orbiting Earth in a circular orbit with a radius of 10,300,000 m. What is the minimum increase in speed that is needed for the vehicle to escape Earth's gravitational field? The mass of Earth is 5.97 x 1024 kg and G = 6.67 X 10
A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along a 50.9 m length of aisle.
Block A, with a mass of 4 kg, is moving with a speed of 2.0m/s while block B, with a mass of 8 kg, is moving in the opposite direction with a speed of 3m/s. Calculate the center of mass of the two block-system.
The maximum tension that a 0.5m string can tolerate is 14N. A 2.5kg ball is attatced to the string being whirled in a vertical circle. What is the maximum speed the ball can have at the top of the circle? (the answer is 1.6m/s. I wanna know the s
A string under a tension of 59 N is used to whirl a rock in a horizontal circle of radius 3.9 m at a speed of 23.9 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.482 m long and the speed of the rock is 53 m
Estimate the spacing between the centers of neighboring atoms in a piece of solid aluminum, based on a knowledge of the density (2700 kg/m3) and atomic mass (26.9815 u) of aluminum.
A 3210 kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 5.13 m before contacting the beam, and it drives the beam 5.43 cm into the ground before coming to rest. Find the magnitude of the average force the beam
A 0.05-kg bullet traveling at 120 m/s tears into a slab of thick wood. The wood exerts a constant retardation (negative acceleration) of magnitude 8000 m/s2. How long will it take the bullet to come to a stop?
1940436
Questions Asked
3,689
Active Tutors
1452258
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Examine historical literature to the most current period to see the growth of romanticism and EXISTENTIALISM. any major developments
When Min decided to begin his supervised field experience, he applied at a company in his hometown that provided applied behavior analysis
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative