A pendulum is constructed from a 7.26 kg bowling ball handing on a 2.5 m rope . The ball is pulled back until the rope makes a 45 degree angle with the vertical. What is the potential energy of the ball?

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic