Ahypothesis is a lucky guess. true or false. . question 2.2. the conclusion of a study should always be that the hypothesis is correct. true. or false question 3.3. which variable is measured in an experiment? a. independent variable. b. dependent variable c. experimental variable. . question 4.4. most scientists come up with questions to investigate out of the blue. true. or false
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Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 21.06.2019 22:30
A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Ahypothesis is a lucky guess. true or false. . question 2.2. the conclusion of a study should alway...
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