A paper airplane moves at a constant velocity of 10 m/s to the east when there is no wind. What is its resultant velocity if a steady easterly wind of 19 m/s begins to blow?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above