Over a 60 second period, an object’s velocity changes from -10m/s to -30m/s. What was its acceleration over the time period?

 Distance is the length of the path travelled, following all of the turns or curves of ... over a certain period of time, using the known acceleration due to the force of gravity on ... another way, for every second that an object falls, its velocity will increase by ... A car travels a distance of 60 kilometers in 2 hours.

Explanation:

allowed for the prediction of the properties of missing elements.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.