A plane passes over Point A with a velocity of 8,000m/s North. 40 seconds later it passes over Point B with a velocity of 10,000 m/s North. What is the planes’ acceleration from A to B?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2