Energy is the energy of the motion or vibration of molecules in a substance.
a. heat
b. nuclear
c. chemical
d. electromagnetic
a wrecking ball on its way down before it hits a building is an example of energy being converted into energy.
a. kinetic, potential
b. potential, kinetic
c. potential, potential
d. kinetic, mechanical
a wrecking ball on its way down before it hits a building is an example of energy being converted into

The answer to the first question is A. Heat, because in order to heat up or catch fire, the molecules have to vibrate quickly.

This wrecking ball is an example of potential energy being converted into kinetic energy, so your answer is B. potential, kinetic.

Source: I have had to answer both questions before.

because it says use -2,0,and 2 for x, we can plug those numbers into the equation. y/4=3/4(-2)+2   y/4= -1 1/2 +2 now to get x by itself, we can multiply each side by 4. y=-6+8 which equals y=2 when x=-2. now you can do the same thing with 0 and 2 as x. you get y=8 when x=0 and y=14 when x=2.

x   |   y

-2 |   2

0   |   8

2   |   14

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