Hl Simple Harmonic Motion

1. The moon is square

True

False

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Explanation

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2. Match the following to the appropriate choice

Moon

Boat

Car

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3. What shape is the moon?

Triangle

Square

Round

Moon is round because of formed and collapsed under the force of their own gravity.

Explanation

Moon is round because of formed and collapsed under the force of their own gravity.

4. An oscillating system has a frequency of 20 Hz. What is its time period

20s

1s

0.5s

0.1s

0.05s

0.02

The time period of an oscillating system is the time taken for one complete cycle of oscillation. In this case, the system has a frequency of 20 Hz, which means it completes 20 cycles in one second. To find the time period, we divide 1 second by the frequency. Therefore, the time period is 1/20 seconds, which is equal to 0.05 seconds.

Explanation

The time period of an oscillating system is the time taken for one complete cycle of oscillation. In this case, the system has a frequency of 20 Hz, which means it completes 20 cycles in one second. To find the time period, we divide 1 second by the frequency. Therefore, the time period is 1/20 seconds, which is equal to 0.05 seconds.

5. A mass of 2Kg is oscillating on a spring. The frequency of oscillation is 3Hz, and the amplitude is 2cm. What is the maximum acceleration of the mass?

1.4 ms-2

3.6 ms-2

7 ms-2

13.6 ms-2

accleration is .omega squared x, i.e. 2xpixf all squared x 0.02

Explanation

accleration is .omega squared x, i.e. 2xpixf all squared x 0.02

6. The moon is ____ in color

During the night the high contrast between the bright moon and the night's dark skies make the Moon look white.

Explanation

During the night the high contrast between the bright moon and the night's dark skies make the Moon look white.

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7. A mass on a spring oscillates with amplitude 5cm and frequency 2Hz. The mass is released from tits highest point. Calculate the velocity of the mass after it has travelled 1cm

0.12 ms-1

0.32 ms-1

0.43 ms-1

0.62 ms-1

Explanation

8. A pendulum swings from side to side. What is the maximum acceleration when time period is 2s and the amplitude is 3m?

34.6 ms-2

29.6 ms-2

19.6 ms-2

45.6 ms-2

Explanation

9. A long pendulum has a time period of 10s. If the bob is displaced 2m from the equilibrium position and released, how long will it take to move 1m

1.24 seconds

1.67 seconds

2.67 seconds

5.34 seconds

http://www.contentextra.com/bacconline/bacContentFiles/physicsFiles/PhysicsHLSolutions/ajaxPages/Ch4-5.jpg

http://www.contentextra.com/bacconline/bacContentFiles/physicsFiles/PhysicsHLSolutions/ajaxPages/Ch4-5.jpg

Explanation

http://www.contentextra.com/bacconline/bacContentFiles/physicsFiles/PhysicsHLSolutions/ajaxPages/Ch4-5.jpg

http://www.contentextra.com/bacconline/bacContentFiles/physicsFiles/PhysicsHLSolutions/ajaxPages/Ch4-5.jpg

10. What are the characteristics of the moon?

White

Round

Big

Square

The moon is often described as white because it reflects sunlight, appearing as a bright white object in the night sky. It is also round in shape, as it is a natural satellite that has been shaped by gravitational forces. Additionally, the moon is considered big compared to other celestial bodies, as it is the fifth-largest moon in the solar system. However, the characteristic "square" is not applicable to the moon, as it does not have a square shape.

Explanation

The moon is often described as white because it reflects sunlight, appearing as a bright white object in the night sky. It is also round in shape, as it is a natural satellite that has been shaped by gravitational forces. Additionally, the moon is considered big compared to other celestial bodies, as it is the fifth-largest moon in the solar system. However, the characteristic "square" is not applicable to the moon, as it does not have a square shape.

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11. Select the ones you like

Option1

Option2

Option3

Option4

The question asks to select the options that are liked. The correct answer is Option1, indicating that this option is liked.

Explanation

The question asks to select the options that are liked. The correct answer is Option1, indicating that this option is liked.