Johanna is studying what happens to the energy as a ball rolls down a ramp. what is she studying? check all that apply.
gravitational potential energy
electrical energy
kinetic energy
mechanical energy
elastic potential energy

The answer to the question stated is:

Johanna is studying what happens to the energy as a ball rolls down a ramp. She wanted to study the following items using the ramp and the ball:

·         gravitational potential energy

·         kinetic energy

·         mechanical energy

gravitational potential energy

kinetic energy

mechanical energy

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)