A boat makes a circle in a lake. The radius of the curve is 25 meters and the boat makes a complete circle every 125 seconds. What is the speed of the uniform circular motion? v = 2r / T

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=

Decreased sensitivity to an unchanging stimulus is known as

A( developed during the process of technology design