amy who has a mass of 67 kg is riding her bicycle in the country she is traveling at 11 m/s when she begins to coast down a hill she then coasts up another hill that is 20 m high and comes to a stop just as she reaches the top how high was the first hill in 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.

the right answer is 0.3 meters per second