3 years ago

In which of the following situations should you notify your teacher?

Physics

1 answer:

77julia77 [94]3 years ago

7 0

All of the above , because it could be all of those answers and etc

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For general projectile motion, the horizontal component of a projectile's velocity aSelect one:O a. continuously increases.O b.

liubo4ka [24]

ANSWER:

d. remains a non-zero constant.

STEP-BY-STEP EXPLANATION:

If we consider that there is no air resistance and that the horizontal component would be at x, the velocity remains a non-zero constant

3 0

1 year ago

Sound waves in air travel at approximately 330m/s. Calculate the frequency of a 2.5m-long sound wave.

dusya [7]

Frequency = speed ÷ wavelength
= 330m/s ÷ 2.5m
= 132 Hz

8 0

4 years ago

The speed of light is 3.0 x 108 m/s. How far does light travel in one day? Remember that you should first convert the day into s

Anna35 [415]

Answer:

$2.59\times 10^{13}\ m$

Explanation:

The speed of light is 3.0 x 10⁸ m/s

We need to find the distance traveled by it in one day.

1 day = 24 hours

1 day = 24 × 3600 seconds

= 86400 s

Now, using the formula of speed to find the distance covered as follows :

$d=v\times t$

Putting all the values, we get :

$d=3\times 10^8\ m/s\times 86400\ s\\\\d=2.59\times 10^{13}\ m$

Hence, light will cover $2.59\times 10^{13}\ m$ of distance in one day.

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3 years ago

When you lift a box off the ground gravity opposes your lifting force.

ivolga24 [154]

Answer:

TRUE?

Explanation:

Im not really sure what your question is.

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3 years ago

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sergejj [24]

Answer:

First 8 if wrong then correct me. Second it's direction correct me if wrong.

Explanation:

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