View the step-by-step solution to:

# 1 ) A stone dropped from a bridge strikes the water 2.2 seconds later. how high is the bridge above the water?

1 ) A stone dropped from a bridge strikes the water 2.2 seconds later. how high is the bridge above the water?

2) An apple is dropped from a window 20m above the ground. a) how long does it take the apple to reach the ground? b) what is its final speed?

3) a stone thrown upward reaches its highest point 2.2 seconds later

a)how high di it go?

b) what was its inital speed?

please use formulas to answer wit explanations

Sign up to view the entire interaction

Hi great dear accept your complete solution... View the full answer

Step by step solution... (1) Height =ut+1/2 at^2
= 0 +(1/2)*9.8*(2.2)^2
= 23.716 m (2) (a) s=(1/2) a*t^2
20=1/2 * 9.8t^2
t=2.02 s
(b) v=at
=9.8*2.02
=19.8 m/s (3)
(a) V² = U² +2as
0 = (22)² -...

### Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

### -

Educational Resources
• ### -

Study Documents

Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

Browse Documents