The speed, V of a transverse progressive wave traveling along a stretched string of mass per unit length, μ is given by: V = √T/μ, where T is tension in the string. Show that the equation is dimensionally correct.

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

What occurs during a combustion reaction