physics

Question 1

p

Answer 1

pico, 10ˆ-12

Question 2

n

Answer 2

nano, 10ˆ-9

Question 3

u symbol with longer first line

Answer 3

micro, 10ˆ-6

Question 4

m

Answer 4

milli, 10ˆ-3

Question 5

c

Answer 5

centi, 10ˆ-2

Question 6

k

Answer 6

kilo, 10ˆ3

Question 7

M

Answer 7

mega, 10ˆ6

Question 8

G

Answer 8

giga, 10ˆ9

Question 9

X component of vector in relation to main vector: Ax =

Answer 9

Acos(theta)

Question 10

Y component of vector in relation to main vector: Ay =

Answer 10

Asin(theta)

Question 11

Direction of vector from x and y components

Answer 11

Theta = inverse tan of (Ay/Ax)

Question 12

What are The Big Five kinematic equations?

Answer 12

1. v = v0 + at. *missing d
2. d = 1/2 (v0 + v)t *missing a
3. d = v0t + (1/2)atˆ2. *missing v
4. d = vt - (1/2)atˆ2. *missing v0
5. vˆ2 = v0ˆ2 + 2ad. *missing t

Question 13

What approximation of g (gravitational acceleration) is used for the MCAT?

Answer 13

9.8 m/sˆ2 = 10 m/sˆ2

Question 14

sin(0)

Answer 14

0

Question 15

cos(0)

Answer 15

1

Question 16

tan(0)

Answer 16

0

Question 17

sin(30)

Answer 17

.5

Question 18

sin(45)

Answer 18

.7

Question 19

sin(60)

Answer 19

.9

Question 20

sin(90)

Answer 20

1

Question 21

cos(60)

Answer 21

.5

Question 22

cos(45)

Answer 22

.7

Question 23

cos(30)

Answer 23

.9

Question 24

tan(45)

Answer 24

1

Question 25

gravitational force

Answer 25

F = ( G m1 m2 ) / rˆ2

Question 26

static friction

Answer 26

0 < or = Fs < us N

Question 27

max static friction

Answer 27

Fs = us N

Question 28

kinetic friction

Answer 28

Fk = uk N

Question 29

normal force

Answer 29

N = mg

Question 30

torque

Answer 30

T = r * F sin (theta)

Question 31

SI unit for work

Answer 31

J

Question 32

work equation (distance)

Answer 32

W = Fdcos()

Question 33

work equation (pressure)

Answer 33

W = P deltaV

Question 34

How can you find work from a graph?

Answer 34

The area under the curve of a pressure (y-axis) and volume (x-axis) graph

Question 35

power equations

Answer 35

P = W/t = deltaE / t

Question 36

SI unit for power

Answer 36

W (watts) = J/s

Question 37

work energy theorem equation

Answer 37

W(net) = delta KE = KE(final) - KE(initial)

Question 38

kinetic energy equation

Answer 38

KE = 1/2 m vˆ2

Question 39

PE when increasing height

Answer 39

deltaPE = mgh

Question 40

PE when decreasing height

Answer 40

deltaPE = -mgh

Question 41

total mechanical energy equation

Answer 41

E = PE + KE