This object is located 5.0 cm to the left of the lens and the image forms at 18.4 cm to the right of the lens. Calculate the focal length.

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2