Asmall ball of mass m is suspended by a string of length l. the string makes an angle β with the vertical. the ball revolves in a circle with an unknown constant angular speed ω. the orbital plane of the ball is at a height h above the ground. let g be the gravitational constant. you may ignore air resistance and the size of the ball. later, the ball detaches from the string just as it passes the x-axis. it flies through the air and hits the ground at an unknown horizontal distance d from the point at which it detached from the string.'
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Physics, 21.06.2019 15:40
Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m
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Physics, 22.06.2019 08:30
If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.
Answers: 1
Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Physics, 22.06.2019 10:10
Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.
Answers: 1
Asmall ball of mass m is suspended by a string of length l. the string makes an angle β with the ver...
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