Valorile minima si maxima ale rezultantei a doua farte concurente sunt Fmin=1N respectiv Fmax=7N Ce valoare are rezultanta cand unghiul dintre directiile este a=90 grade

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.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=