Question

An object is dropped from a height of 25 meters. At what velocity will it hit the ground?

Answer 1

use this equation...\[v ^{2}=u ^{2}+2g h\]
h=25 m
u=0

Answer 2

whats the g for?

Answer 3

g is gravitational acceleration...
g=9.8 m/s^2

Answer 4

or you can use this..
mgh=1/2mv^2

Answer 5

hmmm ill try the first one, thank you :)

Answer 6

:)

Answer 7

i tried it but it didnt match with my options?

Answer 8

what measurements are your options in...?

Answer 9

remember that the sum 2gh will give u v^2 not v
so u have to sqrt answer

Answer 10

A 7.0
B 11
C 33
D 49
E 70

Answer 11

i got 22.14 m/s

Answer 12

me too...@Jack1

Answer 13

Yeah, i got that too but no answer to that?

Answer 14

are ur options in m/s or km/hr...?

Answer 15

m/s

Answer 16

damn...

Answer 17

im lost .-.

Answer 18

so are we, that's the speed it will hit at.... so ur answers are wrong

Answer 19

you did the right...@Nadine95
go on

Answer 20

WAIT, im stupid/.\
C was 22 x(

Answer 21

im sorry guys /_\

Answer 22

s ' cool

Answer 23

LOL