c1 Flashcards
1
Q
what is power?
A
power is the rate at which work is done
2
Q
what is work done?
A
work is done when a force moves
3
Q
equation for power?
A
power[watts]= work done[j]/ time[s]
4
Q
equation for work done
A
work[j]= force[n]x distance
5
Q
what is the equation for gravitational potential energy?
A
m[mass]x[9/8]xh[height]
6
Q
convert kw to w
A
x1000
7
Q
convert gw to w
A
1000000000 or 10 to the power of 9
8
Q
convert mw to w
A
1000,000 (1 million)
9
Q
what is energy transfer?
A
when a type of energy can change to another
10
Q
what is energy?
A
ability to do work
11
Q
what is the equation for ideal gas equation( for molecules of gas)? and explain what each of them are
A
pv=nkt
p-pressure in pascals
v-volume in metres cubed
n-no of particles
k-1x10 to the power of -23
t-temperature in kelvin or degrees celcius
12
Q
A
