Kindly complete the table with solution.

A bus is headed due east at a fonNard speed of 2 km. ' Then it headed northeast at the speed of 4 km. Then it made a turn Q north of west at 5 km. Finally, it made a turn of 30 south of west at a speed of 6 \fA stone is thrown from the top of a building with an initial velocity of 20m's straight upward . The building is 50 m high and The stone just misses the edge of the roof on its way down. Find: 1 . Time needed for the store to reach its max. height 2 . The may height 3. Time needed for the store to return to the level of the throwerand , 4. Velocity of the store at this instant O T +