Kinetic Energy and Mass vs Weight Differences Quiz

$KE = \frac{1}{2}mv^2$

Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.

SONAR stands for Sound Navigation and Ranging. It works by emitting sound waves and detecting their reflections to determine the distance and shape of underwater objects.

<p>Nitrogen fixation is the process by which nitrogen gas from the atmosphere is converted into ammonia or other organic compounds by bacteria or cyanobacteria.</p> Signup and view all the answers

<p>Potential energy at point A is maximum</p> Signup and view all the answers

<p>Kinetic energy at point A is zero</p> Signup and view all the answers

<p>Total energy KE+PE is known as mechanical energy</p> Signup and view all the answers

<p>The total energy of an isolated system remains constant over time.</p> Signup and view all the answers

<p>Potential energy at point C will be zero</p> Signup and view all the answers

<p>Isotopes are atoms of the same element with the same atomic number but different mass numbers.</p> Signup and view all the answers

<p>Isotopes have identical chemical properties because they have the same number of electrons.</p> Signup and view all the answers

<p>Two isotopes of chlorine are chlorine-35 and chlorine-37.</p> Signup and view all the answers