A woman walks 150 min 45 seconds. What was her average speed?

What happens to light waves from a star as the star moves away from earth?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm