Physics, 27.06.2019 17:20 20Tiglashou
You throw a baseball straight up. compare the sign of the work done by gravity while the ball goes up with the sign of the work done by gravity while it goes down. a. the work is positive on the way up and positive on the way down. b. the work is positive on the way up and negative on the way down. c. the work is negative on the way up and positive on the way down. d. the work is negative on the way up and on the way down because gravity is always downward.
Answers: 2
Physics, 21.06.2019 23:20
Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
Physics, 21.06.2019 23:30
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Physics, 22.06.2019 06:00
Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves
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Physics, 22.06.2019 08:30
What properties of a moving object are used in determining the object's energy of motion
Answers: 2
You throw a baseball straight up. compare the sign of the work done by gravity while the ball goes u...
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