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• a box sits on a table. a short arrow labeled f subscript n = 12 n points up. a short arrow labeled f subscript g = 12 n points down. a long arrow labeled f subscript p = 15 n points right. a short arrow labeled f subscript f = 3 n points left. a man pushes on the box from the left. what is the force of friction acting on this box? n what is the net force acting on this box? n to the
  
• sam enjoys looking at stars through his telescope. he learns that stars were originally clouds made of dust and gasses. which statement best describes how these clouds eventually become stars? the clouds eventually collapse under the force of gravity. the clouds increase in temperature until they eventually form a solid. the clouds contain particles that are magnetically attracted to each other. the clouds begin to cool and form masses of ice that eventually fuse together.
  
• when using the method of initial rates for a kinetic study, the reaction is performed . one reactant concentration is kept constant, and the other .
  
• the chart describes a tax system. in this tax system, higher-income earners pay a(n) proportion compared to lower-income earners.
  
• kentucky politician henry clay became known as the ""great pacificator
  
• in 1883, several civil rights cases came before the supreme court that were related to freedom of speech and the ku klux klan. land ownership for southern sharecroppers. discrimination in public facilities. voting, poll taxes, and literacy tests.
  
• circle o is shown. secants c a and c e intersect at point c outside of the circle to form an angle with measure 36 degrees. secant c a intersects the circle at point b, and secant c e intersects the circle at point d. arc b d is 48 degrees. in circle o, what is marc a e? 84° 96° 120° 168°
  
• what is character motivation? a character’s ultimate desire or goal the struggle between forces in the plot the force that brings conflict to the protagonist careful and deliberate word choice in writing
  
• write and solve the equation and then check your answer. which statements are true about the equation and its solution? check all that apply. a number decreased by thirty-one is fifty-two. the correct equation is n + 31 = 52. the correct equation is n minus 31 = 52. to check the solution, substitute 83 for the variable in the equation. to check the solution, substitute 21 for the variable in the equation. this is an addition problem. this is a subtraction problem. to solve the equation, subtract 31 from both sides. to solve the equation, add 31 to both sides.
  
• the hubble space telescope (hst) orbits 569 km above earth’s surface. if hst has a tangential speed of 7,750 m/s, how long is hst’s orbital period? the radius of earth is 6.38 × 106 m. make sure to use correct significant figures.