quiz 6 Flashcards
what does specific heat capacity mean?
the energy required to increase to increase 1 kg of a substance by 1 degree Celsius
what are energy resources used for?
transport,electricity and heating
what is the equation for calculating gravitational potential energy
gravitational potential energy= mass x gravitational field strength x height
what is the equation for calculating gravitational potential energy(in symbols)?
Ep= m x g x h
what is a non-renewable energy resource?
a resource which is not being replenished as it is used
what is the unit for the spring constant?
newtons per metre, N/m
name 2 non-renewable energy resources
fossil fuels,nuclear
when calculating change in thermal energy, how is the temperature change calculated?
final temperature- initial temperature
what is the unit for gravitational field strength?
newtons per kilogram, N/kg
what is a renewable energy resource?
a resource which is being replenished as its used
name 3 fossil fuels
coal,crude oil and natural gas
what are the units for specific heat capacity?
J/kg celsuis
what are the units for height?
metres,m
when calculating change in thermal energy, what are units for tempreature change?
degrees celcius,
