A solid circular rod is used to transmit power from a motor to a machine. The diameter of the rod is D = 1.5 in and the machine operates at ω = 180 rpm . If the allowable shear stress in the shaft is 10.6 ksi , what is the maximum power transmissible to the machine?

If a balloon is taken outside on a very cold day, what will occur?

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)