A textbook is launched horizontally out of the 6th floor physics classroom at Aviation High School with a velocity of 10 m/s. If air resistance is neglected and the textbook falls 20 meters before hitting the parking lot, how far from the base of the building does the textbook land? A)
14 m

B)
16 m

C)
40 m

D)
20 m

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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