Please answer all part to these easy questions. If you are not planning on answe

Question

Please answer all part to these easy questions. If you are not planning on answering all parts then do not answer. Please dont be lazy and show you work.

10.(2 points) Severus Snape thinks it's important to understand the fundamentals. He would like to know the SI units for volume. What are they? A. L B. mL C. m3 D. gal E. ft3 11. (2 points) Ollivander sells sheets of aluminum in a variety of thicknesses: 1.0 mm at 0.55 $/cm2, 2.0 mm at 0.70 $/cm2, and 3.0 mm at 0.85 $/cm2 and various thicknesses in between all following the same linear trend. Harry needs 10.0 cm2 of 2.2 mm thick aluminum. How much does this cost him? Express your answer in Dollars 12. (2 points) A ring weighing 9.45 g is placed in a graduated cylinder containing 25.3 mL of water. After the ring is added to the cylinder the water rises to 27.4 mL. What metal is the ring made out of? Assume the ring is a single metal A. Titanium B. Copper C. Iron D. Lead E. Aluminum

Explanation / Answer

10) Ans= C - m3

   SI units for volume = m3

   SI units for mass = kg

   SI units for length = m

11)   Given that cost of 2.0 mm thickness aluminium = 0.7 $ / cm2

                    Required aluminium = 10 cm2 of 2.0 mm thickness

                  Hence,

                 cost for Harry = 0.7 $ / cm2 x 10 cm2 = 7 $

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