Una pelota de golf se lanza con una rapidez de 50 m/seg y un ángulo de elevación de 40º. Calcular: a) ¿Cuál es la velocidad real cuando ha recorrido horizontalmente 80m?
b) Ángulo que forma la velocidad real en el momento del choque con la horizontal.

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)