Asnail and an inchworm are in a race. their race track heads north for a distance of 2 m. if the inchworm comes to the end of the race in 50 s, what was its average velocity?

Could someone . i have tried to solve myself but my calculation is off

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

What ia the energy of an object because of its potential and kinetic energies