how long does it take to fall 3.1m on Earth?
3.1=1/2 g t^2 solve for time t.
speed=8.4/t m/s
A pelican flying along a horizontal path drops
a fish from a height of 3.1 m. The fish travels
8.4 m horizontally before it hits the water
below.
What was the pelican’s initial speed? The
acceleration of gravity is 9.81 m/s
2
.
Answer in units of m/s
1 answer
3 answers