Unit 3 Formulas Flashcards
inverse-square law formula
new magnitude = 1/distance^2 * original magnitude
G - gravitational constant
6.674 x 10^-11 N (m/kg^2)
gravitational force formula
F = g * (m1 * m2)/ d^2
g - acceleration force of gravity on Earth
9.81 m/s^2 OR 32.2 ft/s^2
velocity formula (no air resistance)
v = g (gravitational constant) * t
distance fallen formula
= 1/2 * g * t^2
time past formula
t = (sqrt) 2d / g
momentum formula
p = mv
impulse formula
Ft = force * time interval
combined collision momentum formula
p1p2 = p1p2
tangential speed formula
= distance traveled * rotational speed
circumference formula
c = 2 * pi * r
centripetal force formula
= (mass * velocity^2) / radius
centripetal acceleration formula
= tangential velocity / radius
rotational inertia formula
= mass * distance from center of mass^2
