Ex: a 1500 kg ice cream truck accelerates from
rest to a top speed of 45 km/h in 8.0 s. what was
the net force acting on the truck?

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling

Ineed more information about  the question 

D. the index of refraction of the second medium is lower.

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.