A proton and an alpha-particle (a Helium atom stripped of its electrons) are accelerated through an electric potential difference of 20.MV. If the proton and alpha-particle start at rest, then what are their final speeds

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

How to calculate voltage drop in a series circuit

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.