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  1. AP Physics C Mechanics
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What are the key differences between frequency (f) and angular frequency (ω)?

Frequency (f): Cycles per second (Hz). | Angular Frequency (ω): Rate of oscillation in radians per second (rad/s).

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What are the key differences between frequency (f) and angular frequency (ω)?

Frequency (f): Cycles per second (Hz). | Angular Frequency (ω): Rate of oscillation in radians per second (rad/s).

Compare and contrast potential and kinetic energy in a mass-spring system during SHM.

Potential Energy: Stored in the spring, maximum at max displacement. | Kinetic Energy: Energy of motion, maximum at equilibrium.

Compare and contrast potential and kinetic energy in a pendulum system during SHM.

Potential Energy: Gravitational potential energy, maximum at max height. | Kinetic Energy: Energy of motion, maximum at lowest point.

What is the effect of increasing the mass (m) on the period (T) of a mass-spring system?

Increasing the mass increases the period of oscillation.

What is the effect of increasing the spring constant (k) on the period (T) of a mass-spring system?

Increasing the spring constant decreases the period of oscillation.

What is the effect of increasing the length (L) on the period (T) of a simple pendulum?

Increasing the length increases the period of oscillation.

What is the effect of increasing gravity (g) on the period (T) of a simple pendulum?

Increasing gravity decreases the period of oscillation.

What happens when an external force is applied at the natural frequency of an oscillating system?

Resonance occurs, causing a dramatic increase in amplitude.

How to calculate the period of a mass-spring system?

  1. Identify the mass (m) and spring constant (k). 2. Use the formula: T=2πmkT = 2π\sqrt{\frac{m}{k}}T=2πkm​​

How to calculate the period of a simple pendulum?

  1. Identify the length of the pendulum (L) and the acceleration due to gravity (g). 2. Use the formula: T=2πLgT = 2π\sqrt{\frac{L}{g}}T=2πgL​​

How to find maximum potential energy in SHM for a spring?

  1. Identify the spring constant (k) and amplitude (A). 2. Use the formula: Umax=12kA2U_{max} = \frac{1}{2}kA^2Umax​=21​kA2

How to find maximum kinetic energy in SHM?

  1. Identify the mass (m) and maximum velocity (v_max). 2. Use the formula: Kmax=12mvmax2K_{max} = \frac{1}{2}mv_{max}^2Kmax​=21​mvmax2​

How to determine total energy (E) in SHM?

  1. Find either the maximum potential energy (U_max) or the maximum kinetic energy (K_max). 2. Total energy: E=Umax=KmaxE = U_{max} = K_{max}E=Umax​=Kmax​