According to Guinness Worlds Records, the fastest ever tennis serve was by Greg Rusedski during the ATP Champions' Cup at Indian Wells, California, USA, on 14th March 1998. He served the ball at 149 mph. If a standard tennis ball is 63.5 mm in diameter and 1 mile = 1.61 km, what was the approximate Reynolds number of the ball?单项选择题

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Reynolds number describes

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Question textComplete the following protocol table for setting up your standard curve for protein. Remember, each of your standards, except the reagent blank, will be prepared in duplicate in the lab (i..e, you will make up each of these standards twice), giving you 11 standards. When filling in your answers, be careful with your formatting and note the following requirements: for all entries of concentrations, volumes and amounts in this table, include two decimal places (e.g. '1.5') for any decimal numbers less than one, make sure you precede the decimal point with the number zero (i.e. type in '0.2'; not '.2' without the zero) [table] Standard | Concentration of BSA standard | Volume of 20 mg/mL BSA stock solution required (mL) | Volume of 0.05 M NaOH diluent required (mL) | Amount of BSA present (mg) | Volume (mL) 1(reagent blank) | 0 | Answer 1 Question 6 | Answer 2 Question 6 | Answer 3 Question 6 | 0.8 2 | 4 | Answer 4 Question 6 | Answer 5 Question 6 | Answer 6 Question 6 | 0.8 3 | 8 | Answer 7 Question 6 | Answer 8 Question 6 | Answer 9 Question 6 | 0.8 4 | 12 | Answer 10 Question 6 | Answer 11 Question 6 | Answer 12 Question 6 | 0.8 5 | 16 | Answer 13 Question 6 | Answer 14 Question 6 | Answer 15 Question 6 | 0.8 6 | 20 | Answer 16 Question 6 | Answer 17 Question 6 | Answer 18 Question 6 | 0.8 [/table]

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