Acar accelerates from 25 km/hr to 55 km/hr in 30 seconds. what is the car's acceleration

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?