7) A ball is thrown upward at an initial velocity of 8.2 m/s, from a height of 1.8 meters above the ground. The height of the ball h, in metres can be represented, after t seconds, is modelled by the equation h = โ4.8tยฒ + 8.2t + 1.8. (a) Determine the height of the ball after 1.7 seconds.
Answers: 3
Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
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Physics, 22.06.2019 09:30
Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14รฏโฌรฏยต0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
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Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
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Physics, 22.06.2019 23:40
A2.50 ร 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 ร 104 n is applied by the motor?
Answers: 2
7) A ball is thrown upward at an initial velocity of 8.2 m/s, from a height of 1.8 meters above the...
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