A Hockey Puck of Mass M Traveling Along the X

question 43

Multiple Choice

A hockey puck of mass m traveling along the x axis at 4.5 m/s hits another identical hockey puck at rest.If after the collision the second puck travels at a speed of 3.5 m/s at an angle of 30° above the x axis, is this an elastic collision?

• A)Yes, since momentum is conserved.
• B)No, since momentum is not conserved.
• C)Yes, since kinetic energy is conserved.
• D)No, since kinetic energy is not conserved.
• E)Not enough information.

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Definitions:

Interneurons

Neurons that transmit signals between sensory and motor neurons, playing critical roles in reflexes and neuronal circuits.

Central Nervous System

Part of the nervous system consisting of the brain and spinal cord, responsible for processing information and coordinating activity throughout the body.

Myelin Sheath

The white, fatty material that forms a sheath around the axons of certain nerve cells, which are then called myelinated fibers.

Neurotransmitters

Chemicals released by neurons to transmit signals across a chemical synapse to another neuron or to an effector cell, such as a muscle or gland.