Q1 a solid rock is suspended in air by a spring scale the

Reference no: EM13351081

Q1. A solid rock is suspended in air by a spring scale. The rock has a mass of 2.50 kg. When the rock is dunked in water, the scale reads 1.90 kg. While the rock is submerged in another liquid the scale reads 1.25 kg. (a) Find the volume of rock. (b) Find the density of rock. (c) Find the density of liquid.

Q2. A 32.0 kg hammer strikes a steel spike 2.70 cm in diameter while moving with speed of 24.0 m/s. The hammer rebounds with speed 11.0 m/s after 0.110 s. What is an average strain in the spike all through the impact?

Reference no: EM13351081

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