Acceleration Due to Gravity Worksheet 1. A rock is thrown straight down off of a bridge at -13.0 m/s. a) How much time will it take the rock to achieve a velocity of-26.0 m/s? b) How far has the rock fallen when it achieves this velocity? : '/0 - C\ , '?O o) 'I u \J't 0 - \~ . CJ \J'1 - ').G, .0 ~ •'3 . (.) 1 - q , ~0 t. [t · I. 33 s \ <>-1 - C\ .%0 b) '? l -= c ( -;;H, .o) T '2. ~ + I ( - ~ . %0) ( () - / J 10.. .~,o 2. Bill can throw a ball vertically at a speed 3.00 times faster than Joe can. How many times higher will Bill's ball go thanJoe's? of)..:. v '). r .?., C. -5' 0 'i" 1 . .,_ '1 ( '/ - Bil/ : o'L-=-(3v')'"l. r2l- S) Cy -o) 0) o '{ ~, "I () =v - _,,__?:J'/ "ro vv--, 0 0. ,, - .9 i 0 :- 0., \J - J. DI ' / ...J V V, cJ t t:.. 3. The Joker and his henchmen are escaping down a river in a boat. Batman, on a bridge above the water, wants to drop down on the boat to prevent their escape. a) If the bridge is located 12.0 m above the boat, how long will it take Batman to land on the boat if he drops from rest? b) If the boat travels with a constant speed of 8.00 m/s, how far from the bridge must the boat be when Batman drops? <A) ~~'f'\O.. f' '. b) 'f c, \ f'l , O c s - --t C'.) 'I 'J._, cJ C) '5 {_ -- c v,, a. -, t 0 0 - l'd, .O ~ 9 'l i,.. C) -~CJ 'ii ,ooCI. 5 ") =- S 4. A stone is dropped from rest from the top of a building. The ston e takes 0.375 s to travel past a 2.20 m tall window somewhere below the roof. From what height above the top of this window was t he stone dropped from rest? A'r:>ov<:_ ·, (.-L\.03)\ o'l. \-1( ~~ -~) (O - 'fr; ) .-----.-- - - - - -- -c:1------, IC., .3 ~ 19 ,~'/a ~ o i 'f CJ t) - 60 :: (). " 'f 0 D Vy - L\ . °'~ '6~ 01{ ? .l\ ,0) I "'/5 - C\ . t t 5. A student tosses a softball straight up into the air at 17 .5 m/s from a height of 1.25 m above the ground. At the same time, another student tosses a baseball straight up into the air at 8.00 m/s from a height of 7.50 m above the ground. Are there any times when the balls are located at the same height? If so, at what height(s)? 'f=l.'15 4-ll.S-t. '/ 0 1.15 'f-:::\,25 'I ,-ll . St 'j :: -J "/ 7. 5 0 - 1- 50 c --- ~.sot -= C\ . '.50 -::: \' ~ 5 'I Co • l.SG .1 S' ~ \7, S (D, ioS'i>) - 0 ~ L.\ . C( U ( :: Q .G:,5~ 0. Co S-'3) 1. Sj -- '\es --Eo·~ rv) )