physics

Question 1

state the law of conservation of energy

Answer 1

the total energy is the same at all times

Question 2

state 8 energy stores

Answer 2

magnetic. internal (thermal) chemical. kinetic. electrostatic. elastic potential. gravitational potential. Nuclear

Question 3

state 5 energy transfers

Answer 3

electric current light sound force heat

Question 4

state the equation for gravitational potential energy and saw what each of the parts mean

Answer 4

Eg = m x g x h
h=height(m)
g=gravity(m/s)

Question 5

state the equation for kinetic energy and state what each parts means

Answer 5

Ek = 1/2 (0.5) x m x v2
m=mass(kg)
v=speed(m/s)

Question 6

what do each of the elastic potential energy equation mean (Eg=1/2 x k x e2)

Answer 6

k=spring(n/m)
E=extension(m)
Ee=elastic potential energy (m)

Question 7

what is specific heat capacity

Answer 7

the energy it takes to raise the temperature of 1kg of a substance by 1c

Question 8

describe what each of the parts of this equation mean (SHC equation)

Answer 8

AE=m x c x A0
AE=change of energy (j-joules)
m=mass(kg-kilograms)
c=specific heat capacity 
A0=change of temperature (c-degrees Celsius)