If you push on a cart on a railroad with a force of 500 N and it doesn't move, you can conclude that a. the cart has too much mass to accelerate
b. the force is canceled by the reaction force.
c. there is a force of 500 N in the opposite direction acting on the cart.
d. the normal force is greater than 500 N.
e. Newton's second law is not valid in such a frame of reference.

volume: 22

density: 7.04

wvbbvvv

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

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