The angle of projection of projectile at which the range and height of projectile are equal is
(a) 45°
(c) 90°
(b) 76°
(d) 60°​

How does the entropy of steam compare to the entropy of ice?

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Thermal radiation gets its name because