A helicopter is rising with a steady velocity of 30.0m/s upwards. When it gets to a height of 50.0m it releases a test probe from one of its pontoons.

A.) What is the maximum height reached by the test probe?
B.) How long does it take for the test probe to reach the ground from its maximum height?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?