Units

Question 1

length

Answer 1

meters

Question 2

mass

Answer 2

kg

Question 3

time

Answer 3

s

Question 4

speed

Answer 4

m/s

Question 5

density

Answer 5

kg/m3

Question 6

work

Answer 6

kg*m2/s2

Question 7

pico

Answer 7

-12

Question 8

nano

Answer 8

-9

Question 9

micro

Answer 9

-6

Question 10

milli

Answer 10

-3

Question 11

centi

Answer 11

-2

Question 12

kilo

Answer 12

3

Question 13

mega

Answer 13

6

Question 14

giga

Answer 14

9

Question 15

velocity

Answer 15

m/s

Question 16

acceleration

Answer 16

m/s2

Question 17

force

Answer 17

N (kg*m/s2)

Question 18

torque

Answer 18

J (Nm)

Question 19

work

Answer 19

J (Nm)

Question 20

power

Answer 20

W (J/s=Nm/s)

Question 21

KE

Answer 21

J

Question 22

PE

Answer 22

J (eV)

Question 23

impulse (J)

Answer 23

N*s

Question 24

L

Answer 24

kg*m2/s

Question 25

density

Answer 25

kg/L (kg/m3)

Question 26

weight

Answer 26

N

Question 27

pressure

Answer 27

Pa (N/m2)

Question 28

elementary charge

Answer 28

e=1.6x10(-19) C

Question 29

Coulomb’s Constant

Answer 29

k0=9x10(9) N*m2/C2

Question 30

Electric Field

Answer 30

N/C

Question 31

Electric potential

Answer 31

Volt (J/C)

Question 32

Voltage

Answer 32

Volt (J/C)

Question 33

Current

Answer 33

Amps (C/s)

Question 34

Resistance (R)

Answer 34

Ohms (V/A)

Question 35

Resistivity (rho)

Answer 35

ohm-meters

Question 36

Capacitance (C)

Answer 36

Farads (F) = C/V

Question 37

Magnetic Field (B)

Answer 37

Teslas (T) = N/A*m

Question 38

Frequency (f)

Answer 38

f= hertz (Hz) = s(-1)

Question 39

Period (T)

Answer 39

Seconds (s)

Question 40

Sound

Answer 40

Decibels (dB)

Question 41

Lens power

Answer 41

Diopters (D) = m(-1)

Question 42

Speed of light in vacuum

Answer 42

c= 3*10(8) m/s

Question 43

Atmospheric pressure

Answer 43

10(5) Pa

Question 44

Speed of sound in air

Answer 44

340 m/s

Question 45

Visible light wavelengths

Answer 45

400 nm to 700 nm