If you were using a convex lens; where would you put the object so that the image is real a) Between the lens and the focal point of the lens
b) Beyond the focal point of the lens
C) At the focal point

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.