A person stands on a bridge that is 100 feet above a river.
If she drops a pebble how fast is it moving after 2 seconds?
How long does it take the pebble to reach the river below?
She has another pebble that she tosses up with initial speed of 8 feet per second. It goes up, then starts falling down to the river below. By the time it reaches the river what is its speed?
2 answers
see the other post
It will be 16ft in 2seconds
And 100 seconds reach the river
And 100 seconds reach the river
1 answer