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makvit [3.9K]
2 years ago
10

An x-ray and a radio wave are both shot into outer space (they both travel in vacuum). What is the difference between the two si

gnals? Select all that apply. *
x-ray has a higher frequency
x-ray has more energy
x-ray is faster
x-ray has a higher wavelength
Physics
1 answer:
daser333 [38]2 years ago
4 0

Answer:

AB

Explanation:

Same speed. Shorter wavelengths.

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8 0
2 years ago
Platinum has a density of 21.4 g/cm3. if thieves were to steal platinum from a bank using a small truck with a maximum payload o
slega [8]
We will convert the 1dm3 in terms of cm3 as follows:

1dm^3 = (10 cm)^3
= 1000 cm^3

The mass of platinum is equal to 900 lb. 
Then we will convert the mass in terms of grams as follows:
1 lb = 453.6 g
900 = 900 x 453.6 g
= 408240 g

Then density of platinum is equal to 21.4 g/cm^3 
We will calculate the volume of platinum in mass 408240 g as follows:
Volume of platinum = mass of platinum / density of platinum
= 408240 g / 21.4 g/cm^3 
= 19076.6 cm^3  

The total volume of platinum is 19076.6 cm^3
The volume of platinum in 1 L bar is 1000cm^3
So, to calculate the number of bars we will use the formula as follows;
Number of bars = volume of platinum available / volume of platinum required in 1 L bar
= 19076.6 cm^3 / 1000 cm^3
= 19
So, the number of bars are 19.
4 0
3 years ago
If a weight hanging on a string of length 5 feet swings through 5^\circ on either side of the vertical, how long is the arc thro
Zielflug [23.3K]
<span>First we can find the circumference of the whole circle with a radius of 5 feet. circumference = 2 pi radius circumference = (2 pi) (5 feet) circumference = (10 pi) feet From one high point to the other high point, the string moves through an angle of 10 degrees. Since a full circle is 360 degrees, this angle is 1/36 of a full circle. Therefore, the arc length is 1/36 of the whole circumference. arc length = (1/36) (circumference) arc length = (1/36) (10 pi) feet arc length = 0.873 feet</span>
7 0
3 years ago
For which question could a testable hypothesis be developed?
adell [148]
Does wood float in water
8 0
3 years ago
Read 2 more answers
Would a pair of scissors with really long blades and a short handle be practical? Why or why not?
Lana71 [14]
Yes, for balance.hope this helped.

6 0
3 years ago
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