Answer:
Mechanical energy is the sum of the potential and kinetic energies in a system. The principle of the conservation of mechanical energy states that the total mechanical energy in a system remains constant as long as the only forces acting are conservative forces.
Explanation:
I know the answer to 1 minute
6000 joule energy
So I assume 30 seconds would be
3000 joule energy
I believe the correct answer from the choices listed above is option C. The instrument that is <span>best suited for measuring the dimensions of a shoebox would be a ruler. A triple-beam balance is for measuring mass. A volumetric flask is for volume. A caliper is measuring lengths of small objects.</span>
1680 is the answer i got because i did this problem in apex
I believe the answer is B. streak
Streak test is a method to determine what color would the mineral had if it's being transformed into a powdered form.
This test is being done by scrapping the mineral on top of white or black porcelain plate so the plate wouldn't distort the color.