Planet.3.astar is 10 light years away from the earth. suppose it brightens up suddenly today, after how long can we see this change?

Will a heavier bowling ball hit pins better than a lighter bsll

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface