Physics, 24.06.2019 16:00 hannah5143
Answer which of the following measurement systems uses a base 10 system? question 1 options: s i roman greek english question 2 (5 points) which of the following is one of the main benefits of having an international system of units s i? question 2 options: standards are based on body parts. it has a long history. it was developed by the french. standards are based on observable, reproducible natural phenomena. question 3 (5 points) which of the following is a metric unit of mass? question 3 options: ounce kilogram liter pound question 4 (5 points) which of the following measurement systems originated by a government decree around 1790? question 4 options: metric greek roman english question 5 (5 points) which of the following systems of measurement is based on powers of 10? question 5 options: english greek roman metric question 6 (5 points) you measure the mass of a 0.500 kg open parentheses 500 g close parentheses standard on your balance four times. the following measurements result: 498 g, 501 g, 499 g, 500 g. which of the following best describes your balance? question 6 options: precise and accurate precise but not accurate not precise but accurate not precise and not accurate question 7 (5 points) which of the following measurements has one significant digit? question 7 options: 0.20 s 500 m 0.051 kg 3.0 g question 8 (5 points) which of the following is a measurement of motion, with the derived units in m per s? question 8 options: resistance force speed work question 9 (5 points) what is the s i base unit for time? question 9 options: day hour minute second question 10 (5 points) what is the metric base unit of temperature? question 10 options: kelvin candela meter ampere question 11 (5 points) which is an s i base unit that makes up part of the unit of energy? question 11 options: candela kelvin kilogram ampere question 12 (5 points) force is described in terms of a derived unit. which of the following is part of that derived unit? question 12 options: candela kelvin kilogram ampere
Answers: 1
Physics, 21.06.2019 21:00
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?
Answers: 2
Physics, 22.06.2019 05:30
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Physics, 23.06.2019 10:50
In the graph, each sinusoidal curve shows the shape of a vibrating string at a different moment. for which values of x does a node occur? (let k = an integer from -2 to +2.) k + 0.5 0.5k k 2k + 1.5
Answers: 1
Answer which of the following measurement systems uses a base 10 system? question 1 options: s i r...
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