Answers edited by loucololosse

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• How do you test for convergence of #Sigma (3n-7)/(10n+9)# from #n=[0,oo)#?
  
• Question #ee704
  
• Question #cdb75
  
• A ball with a mass of #360 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #24 (kg)/s^2# and was compressed by #5/3 m# when the ball was released. How high will the ball go?
  
• Question #edfff
  
• Explain the forces acting, including friction, when an object is stationary or moving on an inclined plane. What coordinate system do we use?
  
• A projectile is shot at an angle of #pi/8 # and a velocity of # 27 m/s#. How far away will the projectile land?
  
• A projectile is shot from the ground at an angle of #pi/6 # and a speed of #5 m/s#. When the projectile is at its maximum height, what will its distance, factoring in height and horizontal distance, from the starting point be?