Un tren a parcurs distanta de 45km dintre doua statii in timp de 50min. care este viteza medie a trenului exprimata in km/h si m/s?
DAU COROANA

if they have a finite resultant

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.

if i am correct, your answer choices are:

a. the temperature remains constant

b. the temperature increases at a constant rate

c. heat flows at a constant rate into the system

d. heat flows at a constant rate out of the system

e. no heat flows into or out of the system

if so, then the answer is e. no heat flows into or out of the system.