Author Question: Heat is ________. a. a measure of the average kinetic energy of molecules in an object b. a ... (Read 126 times)

mikaylakyoung · **on:** Jul 28, 2018

Heat is ________.
a. a measure of the average kinetic energy of molecules in an object
b. a property of an object
c. the energy transferred between bodies due to a temperature difference
d. the specific heat of an object

Question 2

A 0.14-km wide river flows with a uniform speed of 4.0 m/s toward the east. It takes 20 s for a boat to cross the river to a point directly north of its departure point on the south bank. What is the speed of the boat relative to the water?
a. 5.7 m/s
b. 8.5 m/s
c. 8.1 m/s
d. 7.0 m/s
e. 6.4 m/s