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• a car has a momentum of 20,000 kg • m/s. what would the car’s momentum be if its velocity doubles? 10,000 kg • m/s 20,000 kg • m/s 40,000 kg • m/s 80,000 kg • m/s
  
• during the lifetime of genghis khan, the mongols claimed this modern day country as part of its empire. a. france b. saudi arabia c. russia d. iraq
  
• a likely reason the majority of immigrants who passed through ellis island were european while the majority who passed through angel island were asian is that
  
• the curve produced by the water coming from a hose is sketched onto a graph with zeros at 0 and 5. the point (4, 1) also lies on the curve. if h(x) represents the vertical distance from where the water first comes out of the hose and x represents the horizontal distance, which statements are true? check all that apply.
  
• a researcher submits a study to the irb that proposes to evaluate a new after-school on-line tutoring program for middle-school students in a local school district examining the effect on student grades. she proposes to perform this assessment at the school that her children attend, because she is familiar with the school district. students may use either their personal smartphone or computer to participate in the program. this study might be determined to be violating which principle of the belmont report?
  
• doreen feels overwhelmed with the number of tasks she must complete today. what time management tip would you share with her?
  
• read the excerpt from the common sense of bicycling: bicycling for ladies. by straightening the knees and using the ankle movement freely, the rise of the knees may be lessened several inches. when the pedal is at the highest point, the toe should be raised and the heel lowered. . . . although the right pedal is at the highest point, the knee has made very little impression on the front skirt. the feet should be in line with the machine, turning neither in nor out. the knees must be kept pretty close to the machine and should not move laterally at any part of the circle. the arms should have a slight drop at the elbows. the handles should be about level with the saddle, but this will depend on relative length of arms and waist. if the writer turned this paragraph into a list of steps, where would adjusting the arms go? first second third last
  
• steve paid 10% tax on a purchase of $40. select the dollar amount of the tax and the total dollar amount steve paid on the number line.
  
• what happens when air becomes warmer and drier as it moves down the leeward side?
  
• which angles are pairs of corresponding angles? check all that apply. 4 lines intersect to form 16 angles. clockwise from top left, the angles are 1, 2, 3, 4; 5, 6, 7, 9; 9, 10, 11, 12; 13, 14, 15, 16. angle1 and angle3 angle2 and angle14 angle1 and angle6 angle3 and angle7 angle8 and angle9 angle5 and angle12