What is a substance? OA
a uniform mixture that can't be separated
OB.
a mixture that can be separated
Ос.
a single component that can't be separated
OD.
a single component that can be separated

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

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

Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n