1
Q
work done is?
A
force x distance
2
Q
the unit of work is
A
joule
3
Q
the equation for kinetic energy is
A
1/2 x mv2
4
Q
power=
A
work done divided by time taken
5
Q
the principle on the conservation of energy states?
A
energy can not be made or destroyed
6
Q
power is measured in?
A
watts
7
Q
what is efiency
A
energy output as a percentage of input
8
Q
what is the formula for gravitational potential energy?
A
mass x gravity x height
9
Q
renewable energy sources
A
Solar energy
Wind energy
Hydropower
Biomass energy
10
Q
non- renewable energy sources
A
Coal
Petroleum (oil)
Natural gas
Nuclear energy
11
Q
what is energy
A
the ability to do work or cause change
study notes 100%%
flashcards
Decks in class (53)
# Cards
-
types of death penalty given to criminals during henry v ii rule7
-
Food and Nutriton12
-
geo9
-
chemistry20
-
effects of ict2
-
ict17
-
industrial/ agricultural revolution13
-
food and nutrition17
-
hydration28
-
energy6
-
energy13
-
dietary fibre13
-
mrs gren10
-
chemistry19
-
Hitory Yr 9 Midterm30
-
laws of indices4
-
biology27
-
french43
-
computer networks21
-
compound ions7
-
computer science20
-
geo30
-
physics11
-
agricultural revolution10
-
summary of enzymes (f&n)15
-
more5
-
end of term 1 exam revision cards (F&N)46
-
ICT END TERM 1 REVISION30
-
Types of weather instruments (geography)8
-
ict2
-
types of network devices4
-
Geography II9
-
Food and Nutriton term 2 cat 1 notes (& eot)60
-
biology cat 1 yr 9 term 220
-
geography term 2 cat 128
-
chemistry term 2 cat 113
-
history term 2 cat 123
-
physics term 2 cat 112
-
french mid term 220
-
Geo mid-term exam term 212
-
ict mid-term exam trm 227
-
ict mid-term (ones that cant stick to my head)8
-
chemistry (mid-term) exam trm 2 (100%)24
-
music midterm exam5
-
bio cat 2 trm 2 biological molecules23
-
Geography cat 2 trm 214
-
chemistry term 2 cat 2 (halogens)35
-
physics term 2 cat 217
-
history term 2 cat 214
-
fnn3
-
geo (eot exam revision)33
-
computer science eot exam12
-
physics eot trm 2 exam11
