A cannon with a barrel velocity of 150 m/s launches a cannonball horizontally from an elevated position on a pier. a) Draw a sketch of the cannonball's trajectory. b) Neglecting air resistance, determine the velocity of the cannonball after 3 seconds. c). Determine how far vertically will the cannonball have fallen after 3 seconds? You must include a SKETCH to solve

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.