1 100g of
bullet with S. H.C 0.03 cal/g°c is intially
at 20°c. It is
fired straightupward with a
Speed of 420m/s and on turning to
its starting point strikes a
cake of ice at
exactly 0°C. How much is melted?

​

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

could you add the photo?

explanation: