2 years ago

If an object is moving eastward and slowing down, then the direction of its acceleration is

1 answer:

4 0

C. Eastward. Acceleration is the change in speed so it can be a positive (speeding up) or negative (slowing down) acceleration

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Which equation can be used to solve for acceleration? <br><br>

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A school bus is moving at a constant velocity of 30 m/s, East. Which statement best describes the motion of the truck?

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The car appears to be moving 30 km/hr in the opposite direction of the bus.

Explanation:

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3 years ago

The speed of sound in air is 345 m/s. A tuning fork vibrates above the open end of a sound resonance tube. If sound waves have w

Delvig [45]

To develop this problem it is necessary to apply the concept of Frequency based on speed and wavelength.

According to the definition the frequency can be expressed as

$f = \frac{v}{\lambda}$

Where,

v = Velocity

$\lambda =$ Wavelength

Our value are given by,

v = 345m/s

$\lambda = 63cm$

Replacing

$f = \frac{345}{0.63}$

$f = 547.61Hz$

Therefore the frequency of the tuning fork is 547.61Hz

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3 years ago

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vodka [1.7K]

Answer:

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Explanation:

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2 years ago