Physics, asked by Buruj, 4 months ago

Physics:
1. According to Einstein theory, all the matter has energy. The expression 0.5 (3 x 108)2 describes
the amount of resting energy in joules, contained in half a kilogram of potato. Simplify
expression
2. a) Now, consider that an hour of CFL use consumes 1.4 x 10-2 kWh (kilowatt per hour
kilowatt-hour)
If each kilowatt-hour of electric use is equivalent to 3.6 x 10 joules of energy, then find
the energy in joules used by the CFL in one hour.
b) If we could use the energy released by half a kilogram of potato, approximately how many
hours will we be able to light the CFL from that energy
MY REQUEST TO ALL
please help me in solving thiss

Answers

Answered by vinayakdev959
1

Answer:

Physics:

1. According to Einstein theory, all the matter has energy. The expression 0.5 (3 x 108)2 describes

the amount of resting energy in joules, contained in half a kilogram of potato. Simplify

expression

2. a) Now, consider that an hour of CFL use consumes 1.4 x 10-2 kWh (kilowatt per hour

kilowatt-hour)

If each kilowatt-hour of electric use is equivalent to 3.6 x 10 joules of energy, then find

the energy in joules used by the CFL in one hour.

b) If we could use the energy released by half a kilogram of potato, approximately how many

hours will we be able to light the CFL from that energy

MY REQUEST TO ALL

please help me in solving thiss

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