Assume that you balance a 5kg ball on the tip

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Q1. Assume that you balance a 5kg ball on the tip of your finger that has area of 1 cm^2. Show that the pressure on your finger is 49N/cm^2, which is 490 kPa.

Q2. A brass plate measures 30 cm by 40 cm. The coefficient of linear thermal expansion is 19.0 10-6/°C. If the temperature of the plate is increased by 10.0 K, next what is the increase in the area of the plate? a) 0.350 cm2 b) 0.404 cm2 c) 0.456 cm2 d) 0.502 cm2 e) 0.555 cm2

Reference no: EM1344536

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