Select the multiple choice option which best completes the statement or answers

Question

Select the multiple choice option which best completes the statement or answers the question. 1. The density of homogenized milk at 10°C is 1.032 kg/L What is the density of homogenized milk in units of g/cm'? a. 0.0001032 b. 1.032 c. 1.032 x 10 d. 1.032 x10 ? L = length, A = area, v-volume. If the following equation is dimensionally correct, what are the metric units of x? e. 1.032 x10 2. d. m3 a. unitless b. m the greatest average speed? d. All three have the same average speed c. m e. m . Which of the tracks at the right will provide b. B ?.? 4. Which of the tracks at the right will provide the greatest final speed? a. A d. All three have the same final speed. b.?. c. C 5. Find the magnitude of the sum of the two vectors shown at the right: a. 5 b. 13 c. 85 d. 213

Explanation / Answer

1) density=1.032 kg/L=1.032*1000/1000=1.032 gm/cc

correct option is b

2)x has dimension of length because x3 can be added to V only if x has dimension of length

therefore, metric unit of x is meter

correct option is b

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