Please help!! If vector A⃗ has components Ax and Ay and makes an angle θ with the +x axis,

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.

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.