What type of reaction requires the greatest energy to get started? a. fusion b. fission c. physical d. chemical

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?

The discovery of the electron as a subatomic particle was a result of

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false