The speed of light is 3.0 x 108 m/s. how far does light travel in 2.4 minutes? identify all variables, write a formula, show all work, label your answer.

4,32 10^10 m

Explanation: The relationshiop between the light speed, distance and time is given by:

speed of light = distance/time

distance= speed of ligth * time

distance= 3*10^8 m/s * 2.4*60 s= 4,32*10^10 m

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

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