Physics

Problem

A stone is suspended from a spring balance and then fully immersed in water contained in a measuring cylinder. The following observations are made: • Weight of stone in air:

2.5\,\text{N}

• Initial water level:

100\,\text{mL}

• Final water level:

160\,\text{mL}

\nTake

g = 10\,\text{m/s}^2

. a. (a) Calculate the mass of the stone. b. (b) Calculate its density in

\text{kg\,m}^{-3}

. c. (c) State whether the stone will sink or float in water and give a reason.

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