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A dartboard with a mass of 2.20 kg is suspended from the ceiling such that it is initially at rest.
A 0.030-kg dart is thrown at the dartboard with a velocity of 1.3 m/s.
After the dart hits the dartboard, the dart and the board initially move with a velocity of 0.025 m/s.
How much kinetic energy is lost in the system?
Explain the meaning of Lasers? Lasers use these discrete energy levels in atoms or molecules to build a large population of atoms at an excited energy level that are ready and
A person is tasked with creating a ray diagram to conclude the characteristics of the image of an object formed by a concave lens. The person has accurately drawn the principal axi
What is potential and kinetic energy?
i am class 12 student given an assignment on ''to study the truth operation performed by OR GATE.'' please help me with the assignment
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