Peabody /ËpiËbÉdi/ is a city in Essex County, Massachusetts, United States. At the 2010 census, the population was 51,251, and in 2014 the estimated population was 52,376. Peabody is located in the North Shore region of Massachusetts. 1 History.
Acceleration is a vector because it has a magnitude and a direction (Accelerating at a rate of 5 Miles Per Hour North). Speed is a scalar because it only has a magnitude (35 Miles Per Hour) . Velocity is the derivative of the acceleration and is also a vector (35 miles per hour North). Adam Â· 5 years ago. Thumbs up.
Definition: Acceleration is the rate of change of velocity as a function of time. It is vector. In calculus terms, acceleration is the second derivative of position with respect to time or, alternately, the first derivative of the velocity with respect to time. The SI units for acceleration are m / s 2 (meters per second squared or meters per second per second).