Physics, 23.11.2019 06:31 Mariefritz13
Ablue ball is thrown upward with an initial speed of 23 m/s, from a height of 0.6 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6.8 m/s from a height of 28.9 meters above the ground. the force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s2.
1) what is the speed of the blue ball when it reaches its max. height?
2) how long does it take the blue ball to reach its maximum height?
3) what is the maximum height the blue ball reaches?
Answers: 1
Physics, 22.06.2019 06:30
Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.
Answers: 2
Physics, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
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