Formula Relations

Question 1

1sr equation of motion

Answer 1

v-u
A=——
T

Question 2

2nd equation of motion

Answer 2

S = ut + 1/2 at*

Question 3

3rd Equation of motion

Answer 3

V* = u* + 2as

Question 4

Projectiles at an angle- initial horizontal uh

Answer 4

Initial force x cos(angle)

Question 5

Projectiles at an angle

Initial vertical uv

Answer 5

Initial force x sin(angle)

Question 6

Tension

Answer 6

F = (m x a) + friction

Question 7

Impulse

Answer 7

Ft= mv- mu
Impulse = Ft
Impulse = change mv

Question 8

Inverse square law of gravitation

Answer 8

G x m1 x m2
F = ——————
r*

Question 9

Redshift

Answer 9

Abs x rest
Z = ——————
Rest

Question 10

redshift

Answer 10

U
Z = —
C

Question 11

Time dilation

Answer 11

1
t1 = t0 x ——-
2/~ 1- (v/c)

Question 12

Time dilation re aranged for v

Answer 12

___________
V = c / 1 - (t0/t1)*
V

Question 13

Length contraction

Answer 13

_________
L1 = L \/1 - v2/c2

            1 V = —————-
     \_\_\_\_\_\_\_
   \/ l - (v*/c*)

L1 = l/y