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In a physics lab experiment, a spring clamped to the table shoots a 19g ball horizontally. When the spring is compressed 21cm , the ball travels horizontally 5.0m and lands on the floor 1.6m below the point at which it left the spring.
What is the spring constant?
Express your answer using two significant figures.
A small button placed on a horizontal rotating platform withdiameter 0.310 m will revolve with theplatform when it is brought up to a speed of 35.0 rev/min, provided the button is no more than0.128 m from the axis.
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
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an electron moving with a speed of 9.5 105 ms in the positive z direction experiences zero magnetic force. when it
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q1. a vaulter holds a 31.67-n pole in equilibrium by exerting an upward force u with her leading hand and a downward
A large, cylindrical tank contains kerosene (S.G. = 0.85) in storage later to be transported by rail. The tank has a diameter of 19 meters and is 11 meters tall and has a 28 cm in diameter hole at its base.
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