Physics, 25.07.2019 17:30 leahpartaka03
Which is the result of using a machine? a) the mechanical average makes the work output greater than the work input? b) the machine can put out force without having force applied to it c) a large force can be exerted through a long distance to have a small force exerted through a small force d) a large force can be exerted through a short distance to have a small force exerted through a long distance
Answers: 1
Physics, 21.06.2019 20:00
Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?
Answers: 2
Physics, 22.06.2019 04:40
Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
Answers: 1
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 14:20
How many atoms of nitrogen are in the chemical formula ni(w on
Answers: 1
Which is the result of using a machine? a) the mechanical average makes the work output greater tha...
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