Kinametic Flashcards by Asma Mohima

Q

unit of mass

A

kg

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Q

length

A

m (metre)

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Q

time

A

sec

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Q

electric current

A

A (ampere)

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Q

thermodynamic temp

A

K

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Q

amount of substance

A

mol

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Q

frequency

A

s-1 (unit hz)

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Q

velocity

A

(m/s) or (m s-1)

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Q

acc

A

m s-2

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Q

force

A

newton: kg m s-2

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Q

energy

A

joule : kg m2 s-2

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Q

power

A

watt kg m2 s-3

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Q

potential difference

A

volt kg m2 s-3 A-1

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Q

resistance

A

ohm

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Q

electric charge

A

(coulomb) A s

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Q

specific heat capacity

A

(j/kg/k) m2 s-2 k-1

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Q

homogeneity

A

when all the terms in an eq on both sides have the same unlitt

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Q

T in tera

A

10^!2

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Q

G in giga

A

10^9

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Q

M in mega

A

10^6

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Q

R in rilo

A

10^3

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Q

d in deci

A

10^-1

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Q

c in centi

A

10^-2

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Q

m in mili

A

10^-3

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Q

u in micro

A

10^-6

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Q

n in nano

A

10^-9

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Q

p in pico

A

10^-12

Q

no of joules of energy in 1 kwh

A

3.6 X 10^-6 J

Q

mass of protractor

A

30 g

Q

mass of apple

A

100 g

Q

mass of human

A

80 g

Q

mass of nail

A

5g

Q

mass of 30 cm rule

A

50 g

Q

mass of car

A

1000kg

Q

density of wood

A

800 kgm^-3

Q

density of air

A

1.3 kg m^-3

Q

height of bench

A

40 cm

Q

height of table

A

80 cm

Q

width of pencil lead

A

0.5 mm

Q

volume of water in a cup

A

50 cm3

Q

vol of water in swimming pool

A

2500 cm3

Q

temp of a body

A

310 k

Q

time for an althete to do 100m

A

10s

Q

avg kin energy of the running bitch

A

4000 J

Q

power of a running bitch

A

200 W

Q

vol of a small bean

A

0.5 cm3

Q

diameter of an atom

A

3 X 10^-8 m

Q

diameter of a nucleus

A

6 X 10^-5 m

Q

energy to boil water

A

900 J

Q

resistance of domestic filament

A

500 ohms

Q

radius of earth

A

6000 km

Q

distance of earth to sun

A

1.5 X 10^8 km

Q

distance of earth to moon

A

400 000 km

Q

room temp

A

25 deg C

Q

power of hair dryer

A

500 W

Q

power of electric fan

A

80 W

Q

power of heater or ac

A

2000 W

Q

gap between rail lines

A

m1

Q

electricity usage of a family

A

400KW

Q

time period of pendu

A

2s

Q

time between heartbeats

A

5s

Q

force of a tennis ball when served

A

150 N

Q

take off speed of jet

A

80 m s^-1

Q

acc of jet

A

25ms^-1

Q

height of a room

A

2.8 m