Three positive point charges lie along the x - axis, as shown in the figure below. The charge q1 = 15 μC is at x = 2.0 m, the charge q2 = 6.0 μC is at the origin, and the
resultant force acting on q3 is zero. What is the x coordinate of q3?

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

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=

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.