A stone is dropped from the top of a 45 m high building. How fast will it be moving when it reaches the ground? And what
will its velocity be?​

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

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle