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normal distribution

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Question

normal distribution has μ style=”color:rgb(0,0,0);”> = 28 and σ = 5.(a) Find the z score corresponding to x = 23.  
(b) Find the z score corresponding to x = 41.  
(c) Find the raw score corresponding to z = −2.  
(d) Find the raw score corresponding to z = 1.3. 

 
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report

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Question

Hello my teacher need to me write report 3 or 4 pages about general topics that I have but write report from

reference. Suggested Sources: The Physics News (monthly publication) Science News (weekly) Scientific American (monthly) Physics Today (monthly) American Journal of Physics (monthly) Just take one source. Topics: 1- Introduction, Motion 2- Newton’s Law 3- Weight, Mass 4- Power 5- Energy 6- Torque 7- Gravity, Satellites 8- Temperature 9- Vibration, Waves, Sound 10- Music 11- Electricity Force, Electricity Current 12- Magnetism 13- Reflection, Refraction Just three or four pages and please use easy vocabulary because English is a second language. Teacher need my own word. Thanks

 
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Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands

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Question

Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. Their velocity at launch

was 8.00 m/s and the angle of their initial velocity relative to the horizontal was 46.0 degrees upwards. At the top of their trajectory, their act calls for them to push against each in such a way that one of them becomes stationary in mid-air and then falls to the safety net while the other speeds away, to reach another swing at the same height at that of the swing they left. What should be the distance (in m) between the two swings?

 
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Find the slope of the line through P

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Find the slope of the line through P style=”color:rgb(0,0,0);”> and Q.P(−1, 2), Q(0, 0)

 
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