Abu Dhabi Education Council Shakhbout bin Sultan Secondary School physics Departement

Projectile motion : 1- ( )2- ( ) a = -g = -9.81 m/s2 =-2=t

.

== = t

= =

1- 2- 3- 4- ..................5- .......................................6- .................. ........................7- .................................................... .................................................... ....................................................=-2=t

( )

20 m 2 m .

150 m/s 1000 m ( ) ( ).1- ( ).2 - ( ) ( ) 3 - ( )

5 m/s 2.5 m

35m 80m .1) ) .

5.4 m 8 m

( x ) ( y ) . = = = .

( ) . . . = -g = -9.81 m/s = () + = + 2 = () t +

:1. :- m/s .- ..- ..- . m/s .

2. :- ..- " ..- . m/s ..

3. :- " ..- "

1. 2.

:- . 20 m/s 40 . = -g = -9.81 m/s = () + = + 2 = () t +

. 25.0 301.5 m

11 m/s 30 , :1. ..2. ..3.

50 m 30 40 m/s

42 m/s 60 (A) 5.5 s 1. 2. 3. - 6 -