A 70kg astronaut is floating in space. If she throws a 2kg wrench at a velocity of 10 m/s to the left, how fast and in what direction will she travel?
a. 1.4 m/s
b. 0.20 m/s
c. 0.28 m/s
d. 0.57 m/s

is A is right one

Explanation:

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

i'm on my way to history not a mistory.