Circular motion & gravity Flashcards
1
Q
rotational postion
A
measured in angles, degrees, radians & revolutions
2
Q
how do you convert between radians and degrees?
A
360 degrees = 2pi x rad
3
Q
period (T)
A
time to make one complete revolution
4
Q
frequency (f)
A
rotations per unit time (inverse of time)
5
Q
centripetal acceleration
A
acceleration of turning, perpendicular to the velocity, towards the center
6
Q
Kepler’s Laws
A
1) planets orbit in ellipses with sun as one focus 2) planets sweep out equal areas in equal times 3) P^2 = a^3
