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Fantom [35]
3 years ago
10

The bottom is hard what is the answers

Physics
1 answer:
riadik2000 [5.3K]3 years ago
7 0
11. aboard
12. marsh
13. swore
14. starch
15. barge
16.swear
17. coarse

please vote my answer brainliest! thanks.
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What is the energy of an electromagnetic wave that has a frequency of 5.0 * 10^5 Hz? Use the equation E=hf, where h=6.626 * 10^-
AfilCa [17]

Answer:

3.3*10^-28j

Explanation:

A P E X

3 0
3 years ago
Find the mass of the car.
SpyIntel [72]

\huge\boxed{770.8\overline{3}\ \text{kg}}

We know that force equals mass times acceleration, so substitute in the known values and solve.

\begin{aligned}F&=ma\\1850&=m*2.4\\1850\div2.4&=m*2.4\div2.4\\\boxed{770.8\overline{3}}&=m\end{aligned}

4 0
3 years ago
A special standard weight, known to weight 10 N to high accuracy, is used to check the accuracy of two spring scales. On the fir
zysi [14]

Answer:

16 % and 9 %

Explanation:

Accurate reading = 10 N

reading of first balance = 8.4 N

reading of second balance = 9.1 N

Percentage difference in first reading

= \frac{True reading - reading of first balance}{True reading}\times 100 %

= \frac{10-8.4}{10}\times 100 % = 16 %

Percentage difference in second reading

= \frac{True reading - reading of second balance}{True reading}\times 100 %

= \frac{10-9.1}{10}\times 100 % = 9 %

4 0
3 years ago
A train travels a distance of 300 miles in 6 hours. What is the train's average speed? Question 4 options: 50 miles per hour 50
Ainat [17]

The average speed of a train during its journey is 50 miles per hour.

What is Average Speed?

The ratio of total distance covered by an object, to the total time taken to cover the entire distance, is known as average speed.

Given data -

The distance covered by the train is, d = 300 miles.

The time taken by the train is, t = 6 hrs.

The expression for the average speed of train is given as,

v = d/t

Solving as,

v = 300/6

v = 50 mi/hr

Thus, we can conclude that the average speed of a train during its journey is 50 miles per hour.

Learn more about the average speed here:

brainly.com/question/12322912

4 0
2 years ago
You and I see, hear, and think with ___________________________. Waves carry _____________________. The wave in the speaker, on
kondaur [170]

Answer:

eyes heard and brain.,  Energy, different   ___ forms of the same energy,

less  ___ the wavelength

Explanation:

In this exercise you are asked to complete the sentences.

You and I see, hear, and think with    eyes heard and brain.

Waves carry Energy _______.

The wave in the speaker, on the screen, in the air, and in the string are all _

different   ___ forms of the same energy.

They are all waves. Low frequency waves are __

amount of energy ____________ apart.

The faster you vibrate the spring, the __less  ___ the wavelength will be. Energy travels through the wave out in ___all________ directions.

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Earthquakes can _ produce longitudinal and transverse _______ in waves. Earthquake waves are called __P and S _______ waves.

Sonar uses sound waves to find things _object by sound reflection____.

7 0
3 years ago
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