PCLM Exercise QB SWAT

utat7 s ut Eat

Se ut Eatv s u Zas

Eez

viutat s Vtu tv s 0 9.8 2

I19.6ns

n

u

up v s u at speed of SepAt top so speed of app

0 U 9.8 19 8 I

9.8 ms 19.6 2

9 Down V u't 2ash

h v2 o t 19.64I

Up v2 u 24

top so o u 2g xhzgh u

i f ga

S at c Eat2

2 it S J g hXt Iz x lS Sgh Sz

kinetic Energy

HE is energy a body has due to its motion

KE Emv Joules

Gravitational Potential Energy EPE is energya body has due to its position above an

arbitrary reference pointGPE nigh Joules

where h is distance above the reference level

Exercice 4C5kg 2kg

Ua 7msII B A

a v 7

Pc LM 2 7 Tv

2ms

b KE loss T main tz ma mrs v

Ex 2 72 I 2 5 2249 14

35 Joules

5kg 3kg13 720ms

B A

V

PCLM 3 20 5 3

60z V

I7.5 ms

Loss i KE 21 3 202 4 8 7 52600 225

375J

Classwork Huk

Exercise QB Qb Q8

4C 08 Q lo Q 12 Q 14