A hairdryer wastes 376J for every 1500J of electrical energy it uses. How efficient is the hairdryer? Pls answer :

the results is a decrease in air temperature with an increase of altitude.

explanation:

f=ma newton

f=100x2.5=250n

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