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A spring is hung from the ceiling. A 0.400-kg block is then attached to the free end of the spring. When released from rest, the block drops 0.130 m before momentarily coming to rest, after which it moves back upward.
a) What is the spring constant of the spring?
b) Discover the angular frequency of the block's vibrations.
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A double convex lens has equal curvature radii of 35 cm. An object placed 30 cm from the lens forms a real image at 136 cm. What is the refractive index of the lens?'
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A golfer strikes a ball from the origin with an initial speed of 30 m/s and at an angle 33 degrees from the horizontal. What is the maximum height of the ball
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop?
question what is the acceleration of a 5.0 kg object acted on by a resultant force of 35.0 n? what is the acceleration
A sealed container has a volume of 0.0030m^3 and contains 30 g of molecular nitrogen which as a mass of 28u. What is the pressure of nitrogen gas
A one kilogram textbook drops from a one-meter high table in a room at 250C temperature. Find the change in entropy after the system has reached equilibrium
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A Speaker (which is to be treated as the source point) emits sound at a frequency of 4x10^3 Hz and a power of 28 Watts. What is the power intercepted by your ear
Assume that a certain location on the Earth reflects 31.0% of the incident sunlight from its clouds and surface. what is the radiation pressure (Prad) on the Earth at this location
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