You are out camping. As it gets dark, it starts to get cold so you light a fire. What are two energy transformations that explain the light and the heat given off by the fire?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The energy released by a nuclear fusion reaction is produced when