. A6 kg red ball is moving at 4 m/s along the positive x-axis. The red ball elastically collides with
a stationary 3 kg blue ball. After the collision, the red ball is traveling 2 m/s at 300° from the x-
axis. What is the mass of the red ball (m1)

Which of the following correctly describes the early view of catastrophism?

What is a carrier wave and how does it affect what you hear on the radio

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.