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vladimir2022 [97]
2 years ago
6

Tom rides his motorcycle at a speed of 15 meters/second for an hour.

Physics
1 answer:
Dahasolnce [82]2 years ago
4 0

Answer:

1 hour to ride his motorcycle

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In a discussion person A is talking 1.2 dB louder than person B, and person C is talking 3.2 dB louder than person A. What is th
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Answer: 3.84dB

Explanation:

Since person A is talking 1.2dB louder than B, we will have

A = 1.2B... (1)

Similarly, person C is talking 3.2 dB louder than person A, we have

C = 3.2A... (2)

From equation 1, B = A/1.2... (3)

To get the ratio of the sound intensity of person C to the sound intensity of person B, we will divide equation 2 by 3 to give

C/B = 3.2A/{A/1.2}

C/B = 3.2A×1.2/A

C/B = 3.2×1.2

C/B = 3.84dB

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3 years ago
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Sallys physical education teacher timed her run and recorded the time and distance in the table below. What is her average speed
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What happens when electromagnetic waves cause a disturbance in electric
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When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean positi
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<u>The pendulum bob swing past the mean position because:</u>

When a pendulum's bob is accelerating at its extreme position its velocity is zero. Due to  the restoring toque the bob starts to accelerates towards its mean postion. The  maximum acceleration of the pendulum's bob  is -w^{2} Aand the the acceleration decreases as -w^{2} x  towards the mean position.

The acceleration at the mean position becomes zero but the velocity remains maximum. Hence the bob continues to move and does not stops.Thus it can summarised as the force decreases ,acceleration decreases and velocity increases at slow rate.

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3 years ago
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