Refer to the graph below of the displacement x versus time t for a particle in simple harmonic motion. Which of the following graphs shows the kinetic energy K of the particle as a function of time t for one cycle of motion?

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• 

Tags

NGSS.HS-PS3-2

A block on a horizontal frictionless plane is attached to a spring, as shown below. The block oscillates along the x-axis with simple harmonic motion of amplitude A.

Which of the following statements about the block is correct?

• At x = 0, its velocity is zero.

• At x = 0, its acceleration is at a maximum.

• At x = A, its Force is at a maximum

• At x = A, its velocity is at a maximum.

• At x = A, its acceleration is zero.

A block on a horizontal frictionless plane is attached to a spring, as shown below. The block oscillates along the x-axis with simple harmonic motion of amplitude A.

Which of the following statements about energy is correct? Select two answers.

• The potential energy of the spring is at a minimum at x = 0.

• The potential energy of the spring is at a minimum at x = A.

• The kinetic energy of the block is at a minimum at x =0.

• The kinetic energy of the block is at a minimum at x =A.

• The kinetic energy of the block is always equal to the potential energy of the spring.

Tags

NGSS.HS-PS3-2

A pendulum with a period of 1 s on Earth, where the acceleration due to gravity is g, is taken to another planet, where its period is 2 s. The acceleration due to gravity on the other planet is most nearly

• g/4

• g/2

• g

• 2g

• 4g

Tags

NGSS.HS-PS2-4

An ideal massless spring is fixed to the wall at one end, as shown above. A block of mass M attached to the other end of the spring oscillates with amplitude A on a frictionless, horizontal surface. The maximum speed of the block is v_m. The force constant of the spring is

• Mg/A

• Mgv_m/2A

• M(v_m)²/2A

• M(v_m)²/A²

• M(v_m)²/2A²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-1

The period of a pendulum may be decreased by

• Increasing the mass of the bob
• moving the equilibrium point
• decreasing the mass of the bob
• shortening the length of pendulum

Tags

NGSS.MS-PS2-2

What is the amplitude of the wave shown in the image?

• 30 cm

• 20 cm

• 15 cm

• 10 cm

Tags

NGSS.HS-PS4-1

The graph shows the reducing amplitude of a body in Simple Harmonic Motion (SHM).

This reduction in amplitude is known as ...

• dumping

• damping

• dampening

• doodling

What is the period of the wave shown in the image?

• 10 sec

• 20 sec

• 30 sec

• 40 sec

Tags

NGSS.HS-PS4-1

Which of the pendulums would have the shortest period?

• 1

• 2

• 3

• 4

• 5