Speed of the electron
An electron, initially at rest is accelerated through a potential difference of 450 V. What is the speed of the electron due to this potential difference?
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A spring whose stiffness is 1020 N/m has a relaxed length of 0.46 m. If the length of the spring changes from 0.31 m to 0.87 m, what is the change in the potential energy of the spring?
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A 200 kg object and a 500 kg object are separated by 4.0 m. Find the net gravitational force exerted by the 500kg object on a 50kg object placed midway between them.
Describe the local and surrounding ecologies and environments in France o List the specific factors that distinguish the local ecology and environment of france o Discuss how human activities have affected your local ecosystems o De
A boy drags a wooden crate with a mass of 20 kg, a distance of 12 m, across a rough level floor at a constant speed of 1.5 m/s. What is the total amount of work done on the object?
Create a 5- to 7-slide Microsoft® PowerPoint® presentation on law and legal issues as they apply specifically to private security professionals. Outline the basic organization of law (criminal, civil, and administrative). Explain basic
Why do production and consumption represent "just part" of an economic system?
A 2.35 kg mass is attached to a light cord that is wrapped around a pulley of radius 3.35 cm, which turns with negligible friction. The mass falls at a constant acceleration of 3.30 m/s2. Find the moment of inertia of the pulley.
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