Awooden block has a mass of 20.0 kg and a specific heat of 1700 j/kg °c. find the change in thermal energy of the block as it warms from 15.0°c to 25.0°c.

coil wire, increase current, put iron inside the coil

its c its is a mixture of gases

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