1.- Un barco que tiene el motor averiado es ayudado por dos remolcadores para entrar en
el puerto. Cada uno de ellos tira de él con una fuerza de 10000 N y ambas forman un
ángulo de 60o. Calcula el módulo de la fuerza neta que actúa sobre el barco.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?