The surface of water in a cylinder

Reference no: EM1322356

1. How much heat is required to raise the temperature of 250 g of ice from zero degree Celsius to water at 20 degrees Celsius?

2. A small piston of a hydraulic press has an area of 5 sq. cm. The large piston has an area of 40 sq. cm. What force must be exerted on the small piston to lift a 800-N load on the large piston?

3. A tube has an initial volume flow rate of 100 cc/sec, using Poiseuille's law, calculate the new volume flow rate when the viscosity and change in pressure are halved, with other factors remaining constant.

4. A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?

Reference no: EM1322356

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