Can someone help me answer this pls I’ll give brainliest

Acar going 10 m/s starts accelerating at a rate of 3 m/s2 for 4 seconds calculate the final velocity of the car

Someone plz me out ill give 30pts match the vocabulary word with the correct definition. 1. obstacles or difficulties that prevent exercise -regular exercise 2. conditioning that strengthens the heart, lungs, and blood vessels -obese 3. conditioning that strengthens specific muscles -flexibility 4. when a person is very heavy or overweight -muscular fitness 5. conditioning that the joints move better -physical fitness 6. a measurement of how healthy a person is in three main areas limitingfactors 7. a plan to exercise every week -cardiovascular fitness

An experiment has a single factor with threethree groups and ninenine values in each group. a. how many degrees of freedom are there in determining the among-group variation? b. how many degrees of freedom are there in determining the within-group variation? c. how many degrees of freedom are there in determining the total variation?