An object is moving in a straight line at a constant speed. what will happen to the object if no outside force acts on the object?
a the speed and direction of the object will change.
b the speed and direction of the object will not change.
c the direction of the object will change; the speed will remain constant.
d the speed of the object will change; the direction will remain constant.
i think it would be c or d?

Which of the following best describes the formation of plasma?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.