What is the wavelength of the matter wave associated with a 195 kg astronaut (including her spacesuit) moving at the same speed?

How much energy is made when a pice of wood burns. how do you know

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Imagine you are a business executive who wants to pursue an environment policy for your company that limits pollution and uses fewer raw materials but would cost more what might be the discussion to your next broad meeting how would you make your case to your shareholders