2: Question 20 (1 point) Which one of the following is the longest length? a) 107 nanometers b) 100 meters c) 105 micrometers d) 104 millimeters e) 102 centimeters Previous Page Next Page Pa Calculator Guidelines W
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- While a meter is the fundamental unit of length, most distances traveled by humans are measured in miles or kilometers. Why do you think this is?The Scope and Scale of Physics What is physics?A furlong is 220 yd. A fortnight is 2 weeks. Convert a speed of one furlong per fortnight to millimeters per second.
- How manyy microns make up 1.0km. What fraction of a centimeter equals to 1 micron How many microns arw in 1 yardeferences Mailings Tell me Review View La v AaBbCcDdEe AaBbCcDdE AaßbCcDdE E- Av Normal Title No Spacing 1. Number 0.02010 has how many significant figures? a. 2 b. 3 C. 4 d. 5 e. Could be 3 or 4. 2. Which of the following numbers is written in correct scientific notation? a. 56.4 x 102 b. 0.192 x 105 C. 2.34 x 10-34 d. 9.19 x 10-3.1 e. 8.29 x 10-3 3. When a ball is thrown vertically upwards in the air, acceleration the ball experiences: a. Increases. b. Decreases. C. Increases, and then decreases. d. Decreases, and then increases. e. Remains the same. 4. Two cars, A and B, travel in the same direction on a highway. At one moment, car A has a greater velocity than car B. This means at that moment: a. Acceleration of car A is greater than that of car B. b. Acceleration of car A is less than that of car B. c. Acceleration of both cars are equal. d. Only the magnitudes of the acceleration of both cars are equal. e. There is not enough information to draw any conclusions regarding…Cube A is 2 inches on a side. Cube B is 8 inches on a side. Determine the following:1. The volume of each cube.2. How many Cube As can fit in Cube B (in regards to volume)?3. Noticing that B’s side is 4 times larger than A’s, can you see how you can get answer 2 any way other than finding both cube volumes?
- State the number of significant digits and the implied precision of the given number. The number 1.928×10^4 has........ significant digits (type a whole number) B. What is the implied precision of the number 1.928×10^4 s? A. The number is precise to the nearest hundred seconds B. The number is precise to the nearest second. C. The number is precise to the nearest ten secondsgiven that 4.82803 kilometers is approximately equal to 3 miles a) express the kilometer to mile ratio as a unit ratio. Round to 5 decimal places b) Determine how many kilometers are in 60 mi. Round to 5 decimalsWe are going to make a simple approximation of the number of atoms in the universe. 1. Assume all the atoms in the universe are hydrogen. (In actual practice, over 75% of the atoms in the universe are hydrogen.) 2. Assume the sun is a typical star (made of pure hydrogen) has a density of 1.4 g/cm3 and is a sphere with a radius of 7.0*108m 3. Assume that there are 100 billion stars in our Milky Way galaxy that are identical to our sun. 4. Assume that there are 10 billion galaxies in the universe identical to our Milky Way galaxy.
- The distance around the Earth's equator is 40,077 kilometers, and the population of the United States in 1,950 was approximately 150,000,000 people. If this many people were spaced equally around the equator, what would be the length of the space each person would have to the nearest centimeter? The approximate length the space would be cm.Describe the features that stem from nanometre-scale dimensions that are not found in macroscopic objects.. In your own words, provide two advantages of using meters as a measurement of length rather than old measurements of length such as hands or steps. Your response should be three to four complete sentences. Make sure to use proper grammar and spelling.