# Problem number two. I keep getting the correct answer, but I am still confused. Can you...

###### Question:

problem number two. I keep getting the correct answer, but I am still confused. Can you show me which equations you would use and solve each one especially when you get to the quadratic part for time! show work please, also nice handwriting if at all possible ! thanks community

PROBLEM 2 A college student tosses her iPhone from her dorm window. The iPhone's initial velocity is 4.8 m/s at 170 to the horizontal. The iPhone leaves the window ar aheight of 8.6m·Calculate (A) the iPhone's maximum height from the ground. (B) the iPhone's speed as it hits the ground -(C)the time it takes the iPhone to hit the ground. PROBLEM 3 A 102 kg box has an initial speed of 6.8 m/'s at pointA on the bottom of a 41 incline plane. The box up the incline, reaching a maximum distance of 2.9 m at point B. Calculate A) the acceleration of the box. --(B) the coefficient of friction between the box and the incli ne. 6.8 m/s

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