A ball is thrown at a speed of 20m/s at an angle of 30degrees above the horizont

Question

A ball is thrown at a speed of 20m/s at an angle of 30degrees above the horizontal. a.) what is the horizontal component of the velocity? b.) what is the vertical component of the velocity? c.) what is the horizontal component of the velocity 2s afterbeing thrown? d.) what is the vertical component of the velocity 2safter being thrown? e.) what is the time of the flight? f.) what is the range of the ball? A ball is thrown at a speed of 20m/s at an angle of 30degrees above the horizontal. a.) what is the horizontal component of the velocity? b.) what is the vertical component of the velocity? c.) what is the horizontal component of the velocity 2s afterbeing thrown? d.) what is the vertical component of the velocity 2safter being thrown? e.) what is the time of the flight? f.) what is the range of the ball?

Explanation / Answer

Given that the initial speed is u = 20 m/s               angle is = 300 ------------------------------------------------------------- (A) horizontal component of velocity is Ux =ucos (b) Verticle component of velocity is Uy = usin (c)  horizontal component of velocity is Ux =ucos    (not change) (d) Verticle component of velocity after 2s is Vy = usin - gt                                                                            =u sin - g(2s) (e) Time of flight is T = 2Usin /g (f) Range is R = U2 sin2/g                      angle is = 300 ------------------------------------------------------------- (A) horizontal component of velocity is Ux =ucos (b) Verticle component of velocity is Uy = usin (c)  horizontal component of velocity is Ux =ucos    (not change) (d) Verticle component of velocity after 2s is Vy = usin - gt                                                                            =u sin - g(2s) (e) Time of flight is T = 2Usin /g (f) Range is R = U2 sin2/g        ------------------------------------------------------------- (A) horizontal component of velocity is Ux =ucos (b) Verticle component of velocity is Uy = usin (c)  horizontal component of velocity is Ux =ucos    (not change) (d) Verticle component of velocity after 2s is Vy = usin - gt                                                                            =u sin - g(2s) (e) Time of flight is T = 2Usin /g (f) Range is R = U2 sin2/g       

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