Physics Flashcards
1
Q
What is thermodynamic temp measured in?
A
kelvin (K)
2
Q
How do you work out kelvin from degrees celsius?
A
K = degrees C + 273
3
Q
What is luminous intensity measured in?
A
candela (cd)
4
Q
What is the amount of a substance measured in?
A
mole (mol)
5
Q
How many cm is 1 inch?
A
2.54 cm
6
Q
How many inches is 1 foot?
A
12 inches
7
Q
How many feet is 1 nautical mile?
A
6080 feet
8
Q
How many grams is 1 pound?
A
454 grams
9
Q
How many litres is 1 pint?
A
0.568 litre
10
Q
How many nautical miles/hr is 1 knot?
A
1 n.mile/hour
11
Q
What is the formula for density?
A
density = mass / volume
12
Q
What is the formula for momentum?
A
momentum = mass x velocity
13
Q
What is the gravitational force?
A
9.81 m/s2 or 32 ft/s2
14
Q
What is the formula for work done (measured in joules)?
A
work = force x distance
15
Q
What is the formula for power (measured in watts)?
A
power = work/time power = thrust x velocity
