Lessons 1-4 Flashcards
1
Q
what is the formula for speed/velocity
A
v= Δd/Δt
2
Q
SI unit for distance
A
metres, m
3
Q
SI unit for velocity
A
m/s, ms^-1
4
Q
SI unit for mass
A
kilograms, kg
5
Q
SI unit for temperature
A
degrees celsius, °C
6
Q
SI unit for energy
A
Joules, J
7
Q
SI unit for time
A
seconds, s
8
Q
SI unit for force
A
Newtons, N
9
Q
how to convert ‘milli’ to SI unit?
A
divide by 1000
10
Q
how to convert ‘kilo’ into SI unit?
A
times by 1000
11
Q
how to find total average speed?
A
total distance/ total time
12
Q
Kinetic E (KE or Ek)
A
The E of an object due to motion.
13
Q
Gravitational potential E (GPE or Egp)
A
The E of an object due to its position on the gravitational field.
14
Q
Elastic potential E (Eelast)
A
The E stored in an object due to it being stretched or compressed.
15
Q
Chemical potential E (Ech)
A
The energy stored in chemical bonds.
