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Rainbow [258]
3 years ago
6

Is everyone in your class able to hear a quiet sound equally well?

Physics
1 answer:
Sergio039 [100]3 years ago
8 0

Answer:

No

Explanation:

Loudness describes how people perceive sound (see loudness). ... If people could hear equally well at all frequencies, the contour lines would be flat because the same measured sound intensity would be perceived to be equally loud regardless of the sound frequency. In fact, people do not hear as well at low frequencies.

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Newton's first law of motion says (in part) that an object in motion will remain in motion at a constant speed and in a straight
kolbaska11 [484]

Your answer is C. Unbalanced

unbalanced forces change the direction and speed of objects, therefore it would change the constant speed of an object in motion.

Hope this helps u!

6 0
3 years ago
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A pendulum with a length of 1 meter is released from an initial angle of 15.0° after 1000s its amplitude has been reduced by fri
Setler [38]

Answer:

0.366×10^{-3} / s

Explanation:

θ = θmax e^{-bt/2m}

Given that

             θ = 5.50°

             θmax = 15.0°

So that we have

                ln (θ / θmax) = -bt /2m

            = - ln(5.50°/ 15.0°) / 1000s = b /2m

             = b / 2m = 0.366×10^{-3} / s

3 0
3 years ago
How does the kinetic energy of an object affect the speed of an object?
sammy [17]

Answer:  Kinetic energy is energy in motion. For example would be the energy used or the momentum used to make a car drive down a hill. The kinetic energy of an object is proportional to to the square of its speed.

Explanation:

8 0
3 years ago
A motor has an internal resistance of 12.1 Ω. The motor is in a circuit with a current of
kotykmax [81]

Answer:

Explanation:

V = I * R

V = 4 * 12.1 = 48.4 v

7 0
2 years ago
Imagine that someone is sitting down to enjoy a cup of coffee or hot chocolate. Use your experiences to describe how heat flows
Reika [66]

The heat flows into my body and I start with a warming feeling going down my throat as it starts there I get this warm feeling and I break out in a coldsweat from consuming a warm drink a cold drink will help cool me down :

Explanation:

If drink warm will make u warm drinking cool will make u cool down faster

8 0
2 years ago
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