Aperson walks 50m east and then 100m north. what total distance did they walk? what is the magnitude of the person's displacement vector?

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000

choosing tennis and golf balls is your inde choice.

their mass and volume are dep

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.