True or False? When vinegar is added to baking soda, the temperature decreases slightly. This is a sign that there was a chemical reaction.
Group of answer choices
True
False

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Asample of a gaseous substance changes into a liquid

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?