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a ball of mass 1000g from a height of 5m and rebounded to a height of 45m. calculate the kinetic energy just before the impact and its initial rebound velocity
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Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.
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Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
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Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
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Estimate the kinetic energy of the neptune with respect to the sun as the sum of the terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. [assume the neptune is a uniform sphere with mass = 1.0×1026 kg , radius = 2.5×1010 m , rotation period 16.1 h , orbital period 6.01×104 d and is 4.6×109 km from the sun.]
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a ball of mass 1000g from a height of 5m and rebounded to a height of 45m. calculate the kinetic ene...
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