A System Consists of Two Particles: Particle 1,having the Mass

question 1

Multiple Choice

A system consists of two particles: particle 1,having the mass m₁ = 4.0 kg is located at (-4.0 m,1.0 m) and particle 2,having the mass m₂ = 5.0 kg is located at (2.0 m,1.0 m) .The direction of the position vector of the center of mass of the system measured from the positive x-axis is

• A)-56.3^o
• B)-79.2^o
• C)101^o
• D)123^o
• E)112^o

---

Definitions:

Low Concentration

A situation or state where there is a reduced amount of a substance present in a solution or mixture compared to other components.

Neuron Rest

The state of a neuron when it is not actively transmitting information or signals, characterized by a stable resting membrane potential.

Closed Channels

Ion channels in a cell membrane that are in a state where no ions can pass through them, affecting cell function and signaling.

Sodium Channels

Proteins in cell membranes that allow sodium ions to pass through, crucial for generating and transmitting electrical signals in neurons.