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A 1kg Block is released from point A and slides down and across the frictionless surface. making contact with a relaxed spring at point C. Given a spring constant k= 500N/m how far will the spring be compressed before the block comes to rest?
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. Find the magnitudes of the net force acting on the electron
A beam of light in the air makes an angle of 47.5 degrees with the surface (not the normal) of a glass plate having a refractive index of 1.66. (a) what is the angle between the reflected part of the beam and the surface of the glass?
A 20. -kg lead sphere is hanging from a hook by a thin wire3.5m long, and is free to swing in a complete cirle. What must be the minimum intial speed of the dart
Neon gas is injected into a metal cylinder sealed by a movable piston. The gas is allowed to come to an equilibrium temperature of 200C when the internal pressure is 0.3 atmospheres and the volume is 4 litres.
What is the radius of curvature of the mirror. How far would it coast before starting to roll back down.
A 10.0 g object moving to the right at 22.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 34.0 cm/s
q1. an electron and a neutral carbon atom are firstly 2.2 times 10-6 m apart and there are no other particles in the
A solid block is suspended from a spring scale. Whenthe block is in air the scale reads 34.7 N, when immersed inseawater the scale reads 30.1 N, What is the density of the block
One mole of oxygen gas is at a pressure of 5.60 atm and a temperature of 26.0°C. If the gas is heated at constant volume until the pressure triples, what is the final temperature?
The power of a certain CD player operating at 120V rms is 25.0W . Assuming that the CD player behaves like a pure resistance, find the maximum instantaneous power
You're convinced the opera is almost over because of the large women singing a loud vibrato. What is the power coming from her voice
Two point charges Q1 = 3.9 μC and Q2 = 7.7 μC are initially very far apart. They are then brought together, with a final separation of 2.4 m. How much work does it take to bring them together?
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