• A hockey ball of masso.2 Kg travelling at 10 ms- is struck by a hockey stick so as to return it along its original path with a velocity
at 2 m/s . Calculate the change of momentum occurred in the motion
of the hockey ball by the force applied by the hockey stick.

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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