An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left and then 6 units to the right. What is the displacement of the object?
1
5
7
13

5

Explanation:

when you move 3 unit to the right your object is at 3.then when you move 4 units to the left your object is at -1 because

a number line also has negative numbers.Then if you move 6 units your object is at 5

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

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