Astudent holds two pieces of paper at the top, 10 cm apart. the flat sides of the papers face each other. what happens when the student uses a straw to blow a stream of air between the papers? lower pressure causes the papers to move farther apart. lower pressure causes the papers to move closer to each other. higher pressure causes the papers to move farther apart. higher pressure causes the papers to move closer to each other.
Answers: 1
Physics, 22.06.2019 03:30, natu2072
Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
Answers: 1
Physics, 22.06.2019 11:30, animaljamissofab
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
Astudent holds two pieces of paper at the top, 10 cm apart. the flat sides of the papers face each o...
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