Projectile motion problem involving electric fields? (Physics)?

Posted on 2016-04-13 18:48:00 in Physics by CARTER

A 0.0125 g object is projected from a height of 10. m at a velocity of 20 m/s at an angle of 37º from the horizontal. The object has a charge of 1.0µC. After the object is in flight for 2.4seconds, a 100 N/C electric field directed vertically upward is switched on. (Ignore air resistance and use g = 10 m/s^2) 

(a) What is the final position? 

(b) What is the velocity of the object right before it hits the ground (magnitude and direction).

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