Iapply 40,000 joules of energy to a 400 gram block of a substance, which causes its temperature to rise 40 degrees. this substance has a specific heat of j/kg°c. (a) 2500 (b) 2.5 (c) 5.0 (d) cannot be determined

1 the 4 is sig

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.)

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