AP a

Question 1

Velocity: x-axis

Answer 1

Vx=Vx(initial)

Question 2

X - distance

Answer 2

x= x(initial)+Vx(initial)t

Question 3

Velocity: y-axis

Answer 3

Vy = Vy(initial) -gt

Question 4

(Velocity: y-axis)^2

Answer 4

(Velocity: y-axis)^2= Vy(initial)^2-2g(y-y(initial))

Question 5

(Velocity: x-axis)^2

Answer 5

(Velocity: x-axis)^2= Vx(initial)^2+2ax(x-x(initial))

Question 6

Vx(initial)

Answer 6

Vx(initial)= V(initial)cosø(initial)

Question 7

Vy(initial)

Answer 7

Vy(initial)= V(initial)sinø(initial)

Question 8

(Velocity: y-axis)^2 (2d)

Answer 8

(Velocity: y-axis)^2= Vy(initial)^2+2g(y-y(initial))

Question 9

Vx(2d)

Answer 9

Vx = Vx(initial) + at

Question 10

x (2d)

Answer 10

x(initial)+Vx(initial)t+1/2at^2

Question 11

y (2d)

Answer 11

y(initial)+Vy(initial)t+1/2at^2

Question 12

vy(2d)

Answer 12

vy(initial)+at

Question 13

free falling object formulas

Answer 13

y=(v^2-v(initial)^2)/2a
y=(v(initial)t)+(1/2)(at^2)
d=(1/2)gt^2

Question 14

work

Answer 14

force x distance

Question 15

work (at angle (ø))

Answer 15

Fd(cos(ø))

Question 16

Potential energy - PE

Answer 16

mgy

Question 17

Elastic potential energy

Answer 17

1/2(kx^2) k= spring constant

Question 18

work energy principle

Answer 18

∆KE + ∆PE

Question 19

momentum

Answer 19

mass x velocity

Question 20

Impulse - change in momentum

Answer 20

Force x change in time

Question 21

Law of conservation of energy

Answer 21

1/2mv^2+mgy=1/2mv^2+mgy

Question 22

Law of conservation of momentum

Answer 22

total momentum is always the same

Question 23

Static friction

Answer 23

μs(Fn)

Question 24

kinetic friction

Answer 24

μk(Fn)

Question 25

Spring force

Answer 25

-kx

Question 26

Kinetic energy

Answer 26

1/2mv^2

Question 27

Work net/ change in kinetic energy

Answer 27

1/2mv^2-1/2mv^2

Question 28

cenrtipetal accerleration

Answer 28

v^2/r

Question 29

cenrtipetal velocity

Answer 29

2πr/T

Question 30

centripetal force

Answer 30

mv^2/r or Fn(sin(ø))

Question 31

frequency

Answer 31

1/p

Question 32

period

Answer 32

1/f

Question 33

how to add vectors

Answer 33

reduce them into their components and add like vector

Question 34

power

Answer 34

work/time

Question 35

Incline acceleration

Answer 35

ax=g(sin(ø))-μk(g)(cos(ø))

Question 36

Height

Answer 36

V(initial)+1/2(at^2)

Question 37

pendulum

Answer 37

mgsin(ø)
mg(cos(ø)