Physics, 09.02.2021 18:40 daltonbrown4
Complete a short essay (no more than 150 words) discussing the following topics:
-the ph scale, what it consists of and what it measures.
-What makes something acidic.
-What makes something basic.
-How H+ ions and OH- ions are distributed in acids and bases.
-What litmus paper and hydrion paper is used to measure.
Answers: 2
Physics, 22.06.2019 20:50
Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( Ο t β Ξ± ) where Ξ± is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of Ο ? what is the phase shift?
Answers: 1
Physics, 23.06.2019 09:30
During which step of the scientific method does a scientist make an educated guess about the outcome of an experiment? a. form a hypothesis b. analyze the results c. design an experiment d. collect data
Answers: 2
Complete a short essay (no more than 150 words) discussing the following topics:
-the ph scale, wha...
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