Why is gravity so hard to overcome when we try to go up?

Because you need a lot of force I mean a lot to overcome it like a jet engine .

What comes up must come down

Explanation:

ice to water 1 water to vapour 2 latent heat

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles