2 years ago

What is the wavelength of an earthquake wave if it has a speed of 7km/s and a frequency of 8hz

1 answer:

4 0

the wavelength formula is the frequency multiplication propagation velocity, do not forget to bring all the units into the international system

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When the plutonium bomb was tested in New Mexico in 1945, approximately 1 gram of matter was converted into energy. Suppose anot

Softa [21]

Answer:

$1.08 * 10^{14} J$

Explanation:

Energy and mass are related by the famous equation developed by Albert Einstein:

$E = mc^2$

where m = mass and c = speed of light

This equation explains that an object with very small mass can produce a large amount of energy in reactions such as a nuclear reaction.

Hence, the energy produced by the explosion of a Plutonium bomb containing 3.6 grams of matter is:

$E = 3.6 * 10^{-3} * (3 * 10^8)^2$

E = $1.08 * 10^{14} J$

3 0

3 years ago

A toy car travels at 5.3 m/s. The car travels a distance of 17.8 m. How long did it

bonufazy [111]

Explanation:

Assuming constant speed:

Distance = speed × time

17.8 m = (5.3 m/s) t

t = 3.36 s

5 0

2 years ago

How far will a ball travel that goes 35 meters per second for 18 seconds?

katen-ka-za [31]

Theoretically, 35 x 18 = 630

7 0

3 years ago

ns:Select the correct answer. In a video game, a flying coconut moves at a constant velocity of 20 meters/second. The coconut hi

Len [333]

You would need to use the equation a= (v-u)÷t
You need to substitute in the correct numbers.
a= (10-20)÷1
Your answer is -10m/s^2

5 0

2 years ago

A police officer uses a radar gun to determine the speed of a car. A specialized radar gun uses ultraviolet light to determine t

Virty [35]

Answer:

A transverse and D electromagnetic

on edg2020

Explanation:

I got it right on the test

good luck

5 0

2 years ago

Read 2 more answers