Unit 3.1 - .4 equations for the test

Question 1

What is the equation for angular velocity if we are given the angle swept out and time?

Answer 1

ω = θ / T

Question 2

What is the equation for angluar velocity if we are given time?

Answer 2

ω = 2π/T

Question 3

What is equation for angular velocity if we are given the frequency?

Answer 3

2πf

Question 4

How can we find speed of an object in a circle?

Answer 4

V = ωr

Question 5

How can we find the acceleration of an object if we are given the speed?

Answer 5

a = v² / r

Question 6

how can find the acceleration of an object if we are given the radius?

Answer 6

a = rω²

Question 7

How can we find the force acting on the object if we are given mass, speed and the radius?

Answer 7

F = mv²/r

Question 8

How can find the force if we are given the angular velocity, mass and the radius?

Answer 8

F = mrω²

Question 9

How can we find the SHM?

Answer 9

x = Acos(ωt + π/2)

Question 10

How can we find the velocity during the motion?

Answer 10

v = -Aωsin(ωt + π/2)

Question 11

How can we find the maximum kinetic energy of a body during simple harmonic motion>

Answer 11

Ek_max = 1/2mvA²ω²

Question 12

What is the ideal gas equation?

Answer 12

pV = nRT

Question 13

What is the ideal gas equation if we are given the number of molecules?

Answer 13

pV = NkT