1 MJ = 1000000 J = 1000000 Nm = 1000000 9.81 kg m 2 /s 2 = 9810000 kg m 2 /s 2.
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Transcript of 1 MJ = 1000000 J = 1000000 Nm = 1000000 9.81 kg m 2 /s 2 = 9810000 kg m 2 /s 2.
1 MJ
1 MJ
= 1000000 J
= 1000000 Nm
= 1000000 9.81 kg m2 /s2
= 9810000 kg m2 /s2
1 MJ
= 9810000 kg m2 /s2
Potential Energy
1 MJ = m g h = 100 9.81 h
1 MJ = Energy to lift 100 kg man
~1000 m
1 MJ
Food and Fuels
= 3 kg Celery
1 MJ
Food and Fuels
= 3 kg Celery
= 1 kg Spinach
1 MJ
Food and Fuels
= 3 kg Celery
= 1 kg Spinach
= 36 g Coal
1 MJ
Food and Fuels
= 3 kg Celery
= 1 kg Spinach
= 36 g Coal
= 33 g Butter
1 MJ
Food and Fuels
= 3 kg Celery
= 1 kg Spinach
= 36 g Coal
= 33 g Butter
= 26 g Oil
1 MJ
Food and Fuels
= 3 kg Celery
= 1 kg Spinach
= 36 g Coal
= 33 g Butter
= 26 g Oil
= 20 g Gas
1 MJ
Heat Energy
= m (cp T + L) = m (4186/1000000) x 80 + 2.5) = m ( 0.33 + 2.5) = 2.83 m
= Energy to boil 0.35 kg of water
1 MJ
1 MJ
Electricity
= 1/3.6 kWh = 0.28 kWh = 0.28 kW for 1 hour = 280 W for 1 hour= 3 light-bulbs for 1 hour
1 MJ
1 MJ
Metabolic Rates
Walking for 1 hour
1 MJ
1 MJ
