Aflați lucrul mecanic L efectuat de forța de tracțiune pentru a mări viteza unui corp de masă m = 2 kg, de la v1=1 m/s la v2=5 m/s, mișcarea având loc fără frecare.

What is a frequency of a wavelength

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

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.