Imagine that the mass of the seesaw is negligible

Reference no: EM1310418

Q1. Two brothers, Jimmy and Robbie, sit 3.00 m apart on a horizontal seesaw with its fulcrum exactly midway between them. Jimmy sits on the left side, and his mass is 42.50 kg. Robbie's mass is 37.0 kg. Their sister Betty sits at the exact point on the seesaw so that the entire system is balanced. If Betty is 29.80 kg, at what location must she sit? Take the fulcrum to be the origin, and right to be positive. Imagine that the mass of the seesaw is negligible.

Q2. What will be the equilibrium temperature while a 238 block of copper at 230 is placed in a 133 aluminium calorimeter cup containing 831 of water at 16.0?

Reference no: EM1310418

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