An object is dropped from a height. Once it is moving, which of the following statements is true, at least at one point?
Its velocity is more than its acceleration.
O Its velocity is less than its acceleration.
O Its velocity is the same as its acceleration.
O Its velocity is never equal to its acceleration.

the answer is the index of refraction of the second medium is higher. i just took the test.

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.