car's position in relation to time is plotted on the graph. what is the car's average velocity? a)5 m/sb)10 m/sc)30 m/sd)50 m/s

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?