A 150cm insulated extension cord is use to connect a lamp to an outlet if the copper wire of the cord has a diameter of 2.30mm. what is the resistance of the cord (Resistance of the cord =1.780×10^-8ohme×m

which statement about this sum is true? −245+2.7

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