The velocity of a proton emerging from a Van de Graaff accelerator is 25.0% of the speed of light. What was the equivalent voltage through which it was accelerated? The mass of a proton is

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

State the following: boyle's law and charle's law

Could we see a galaxy that is 20 billion light-years away?