Physics, 02.12.2020 23:00 isabellesmith51317
You have a ball with mass 1.3 kg tied to a rope, and you spin it in a circle of radius 1.8/ I
m. If the ball is moving at a speed of 3 m/s, what is the centripetal force acting on the
ball? (2 points)
Answers: 1
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10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!
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Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
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Describe cytokinesis in plants and animals. in animals: in plants.
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Wo small variable-thrust jets are actuated to keep the spacecraft angular velocity about the z-axis constant at ? 0 = 1.16 rad/s as the two telescoping booms are extended from r1 = 1.18 m to r2 = 4.69 m at a constant rate over a period of 124 seconds. the small 19-kg experiment modules at the ends of the booms may be treated as particles, and the mass of the rigid booms is negligible. determine the necessary thrust t for each jet as a function of time where t = 0 is the time when the telescoping action is begun. after you have the general expression for t, answer the questions. show work.
Answers: 1
You have a ball with mass 1.3 kg tied to a rope, and you spin it in a circle of radius 1.8/ I
m. If...
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