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A 2.00kg mass is pushed against a horizontal spring of force constant 28.0N/cm on a frictionless air table. The spring is attached to the tabletop, and the mass is not attached to the spring in any way. When the spring has been compressed enough to store 15.0J of potential energy in it, the mass is suddenly released from rest.
A) find the greatest speed the mass reaches?
B) What is the greatest acceleration of the mass?
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1) What is the density of water vapor in g/m3 on a hot dry day in the desert when the temperature is 40.0°C and the relative humidity is 16.0%?
Two trains on separate tracks move toward each other. Train 1 has a speed of 125 km/h; train 2 a speed of 84.0 km/h. What is the frequency heard by the engineer on train 1
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A particle moves along the x axis unset the influence of a stationary object. The force exerted on the particle is given bu F=8x^3, where f is in newton's and x is in meters. if x=0 is taken to be the zero of potential energy, then the potential e..
Cold fusion theory.
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