Question

a drone takes off, and flies up to 50 m, hovers, then descends. how long did it take to reach the 50 m altitude? 10 seconds 25 seconds 5 seconds 15 seconds

Explanation:

Step1: Analyze the graph

The graph shows altitude vs time.

Step2: Locate the 50 - m altitude point

Find when altitude reaches 50 m first.

Step3: Check the corresponding time

At 50 m altitude first time, time is 5 seconds.

Answer:

5 seconds