Help with 8,9

An express elevator has an average speed of 9.1 m/s as it rises from the ground floor o the 100th floor, which is 402 m above the ground. Assuming the elevator has a total mass of LI x 10 K the power supplied by the lifting motor On scientific nouition). The valued (Record your answ three-digit number.) ERROR: It should say a.D x 10 . not ab x 10 Question 9 If an object is Inched saare Iupward with an initial velocity of 25 m's. can it ever reach a height of 35 m. Its crass is bet important (we neglect air resistance), if you want you can assume m = 1.0kg A. Yes, it will get to exactly that height B. No. it will reach a maximum beight of 35 m C. No. this violates the conservation of energy law D. Yes. it will reach a height of 42 ON OB OC OD