Dimensional elastic collision of two identical masses

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1. Irina of mass 85.00 kg float in fresh water .What her approximate volume in m^3. (Human density is about 1000 kg/m^3

2. A 10 cm long spring extend to 12 cm when a 1 kg load is suspended from it . What would be its lenght if a 3 kg load were suspended from it

3. In a one dimensional elastic collision of two identical masses the masses exchange velocities . True /False

4. Calculate the centripetal acceleration of a 2 kg mass ( in m/s^2 ) if it is attached to a 0.5 m rope and revolves at a speed of 15 m/s

Reference no: EM131477898

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