What is the displacement of the particle in the time interval 5 seconds to 8 seconds?

  a. 

0 meters

  b. 

1.5 meters

What is hidden during a lunar eclipse? isn't the moon hidden?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy