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Solved University-Physics Problems

Physics 1.-  Mechanics:  Parabolic Motion 

Javier Montenegro Joo

jmj@VirtualDynamics.Org

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Parabolic Motion.-

 
     
 

(1)   From an elevated position at   181 m  over a horizontal terrain, at a region where the Acceleration of the Gravity is    7.15 m/s ,  a projectile is shot with an angle of   0    respect to the horizontal, and a velocity of   135 m/s . Determine: (a) horizontal displacement of projectile (b) its landing velocity (c) its landing angle.

Solution.- 

 Horizontal Shooting                              

Acceleration of Gravity  g =   7.15 m/s

Cannon vertical position   H = 181 m

Cannon elevation angle   A = 0

Shooting Velocity     Vo = 135 m/s

 
     
 

(2) A projectile is shot with an elevation angle of 40, a velocity of  120 m/s,  in a place where the Acceleration of the Gravity is   9.00 m/s.

 (a) Determine: the maximum height reached by the projectile, its ascending time, its flight time and its horizontal range.

 (b) Get coordinates, velocities and the displacement vector angle with the x-axis,   after  5.00 s  of shooting.

 (c) Find how long after shooting, the projectile is at 150.00 m height and get its  position (x,y) and velocity (Vx,Vy) at that time.

  Solution.-   

 
     
     
 

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