17. A ball on the end of a string is being swung in a horizontal circle at a
constant speed as shown below. If the
string were to break at the point
shown, what would be the path of the
ball?

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?