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Marat540 [252]
3 years ago
14

At a baseball game, you are in the cheap seats and far from the batter. You see the ball moving before you hear the sound of the

bat. Explain this using wave speed. *
Physics
1 answer:
bogdanovich [222]3 years ago
6 0

Answer:

it is he sound of source it uses ur ears to hear something unectpected can u give me brainly plz

Explanation:

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How much 8 grams will weigh after a physical change
Ber [7]
I would look this one up on Google
5 0
2 years ago
. Now assuming Anna's far point was found to be 0.9 m (i.e., her eyes can't focus on any object more than 0.9 m away), what powe
Mama L [17]

Answer:1). Distance of far point x=0.9m

Therefore, since the image is virtual

-f=-x = -0.9m

Power of the concave lenses = 1/f = 1/-0.9

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Power = 4-1/near point

= 4/0.21

= 14.2D.

7 0
3 years ago
Two piles of heavy boxes must be lifted onto a shelf. Each pile has 20 boxes and each box is the same size and weight. Tom and c
Murrr4er [49]
Tom used more Force but over a shorter distance. Tom and Claudia both did the same amount of work.
4 0
3 years ago
Read 2 more answers
Protons and neutrons are located in the nucleus of the atom.
Shtirlitz [24]

Answer:

True

Explanation:

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3 0
3 years ago
Read 2 more answers
Number of complete 90.9 MHz radio waves over a 1.50 km distance
zimovet [89]
You could answer this right away IF you knew the length of each wave, right ?

Well,  Wavelength = (speed) / (frequency).

Speed = 3 x 10⁸ m/s  (the speed of light)
and
Frequency = 90.9 x 10⁶ Hertz.

So the length of each wave is  3 x 10⁸ / 90.9 x 10⁶  meters.

To answer the question, see how many pieces you have to cut
that 1.5 km into, in order for each piece to be 1 wavelength. 
It'll be

(1,500 meters) divided by (3 x 10⁸ meters/sec) / (90.9 x 10⁶ Hz)

To divide by a fraction, flip the fraction and then multiply:

(1500 meters) times (90.9 x 10⁶ Hz)/(3 x 10⁸ meters/sec)

=   454.5
5 0
3 years ago
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