"NEED HELP FAST" Which of the following is a vector quantity? A. Time

B. Velocity

C. Temperature

D. Distance

What is the equation for electrical work?

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?

What is the relationship between wavelength of light and the quantity of energy per photon?