Answers edited by Kelly L

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• What is the y intercept for a line with point (1.5, 9.5) slope 0.5?
  
• How do stars evolve from their birth to their death?
  
• If I'm given 6 position vs time graphs and I need to put their average velocities and average speeds in order from greatest to least. What is the difference between the two and how do I calculate them? Please help my test is tomorrow.
  
• How does Newton's first law affect a rocket?
  
• Question #8fa7d
  
• Question #b1481
  
• An astronaut with a mass of #80 kg# is floating in space. If the astronaut throws a #5 kg# object at a speed of #9 m/s#, how much will his speed change by?
  
• If the universe is expanding, what is on the other side?
  
• Can impulse be decreased?
  
• What are some examples of the principle of conservation of energy?
  
• Question #f9bb2
  
• Question #2dfda
  
• Does the sum of the external torques on the rigid object have to equal zero in static equilibrium?
  
• How do laser pointers work?
  
• How can i calculate force of tension?
  
• Question #5fe5f
  
• Question #6ae2f
  
• What is the limit of #(x^2)(e^x)# as x goes to negative infinity?
  
• What is a block and tackle pulley?