EQUATIONS

Question 1

KINETIC ENERGY

Answer 1

K= 1/2 x MASS x VOLUME(squared)

Question 2

GRAVITATIONAL POTENTIAL ENERGY

Answer 2

Ep= MASS x Grav Field Strength x HEIGHT

Question 3

ELASTIC POTENTIAL ENERGY

Answer 3

Ee= 1/2 x SPRING CONSTANT x EXTENSION(squared)

Question 4

SPECIFIC HEAT CAPACITY

Answer 4

Change in Thermal Energy= MASS x Specific Heat Capacity x TEMP CHANGE

Question 5

POWER

Answer 5

P= ENERGY TRANSFERRED/TIME OR P= WORK DONE/TIME

Question 6

EFFICIENCY

Answer 6

E= USEFUL OUTPUT ENERGY TRANSFER/TOTAL ENERGY TRANSFER

Question 7

IF YOU DONT KNOW THE ENERGY OUTPUT OR INPUT YOU CAN STILL WORK OUT THE POWER…

Answer 7

E= USEFUL POWER OUTPUT/TOTAL POWER INPUT

Question 8

CHARGE FLOW

Answer 8

Q= CURRENT x TIME

Question 9

POTENTIAL DIFFERENCE

Answer 9

CURRENT x RESISTANCE

Question 10

ENERGY TRANSFERRED

Answer 10

E= POWER x TIME

Question 11

OTHER WAYS TO FIND POWER…

Answer 11

P= POTENTIAL DIFFERENCE x CURRENT 
P= CURRENT(squared) x RESISTANCE

Question 12

DENSITY

Answer 12

D= MASS/VOLUME

Question 13

SPECIFIC LATENT HEAT

Answer 13

E= MASS X SPECIFIC LATENT HEAT

Question 14

WEIGHT

Answer 14

W= MASS x Grav Field Strength

Question 15

WORK DONE

Answer 15

WD= FORCE x DISTANCE

Question 16

FORCE

Answer 16

F= SPRING CONSTANT x EXTENSION