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snow_lady [41]
3 years ago
11

Density is 1.3kg/m3 volume=? mass=? 80m 40m 15m​

Physics
1 answer:
mash [69]3 years ago
4 0

From the given information, it's not possible to find the mass or the volume of the sample.

Density is their RATIO, but you can't tell if the sample is the size of an ant or a school-bus.

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A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?
MaRussiya [10]
<h2>Answer :</h2><h2 />

Work is the amount of energy transferred. As per the formula

Work = Force x Distance [moved toward the direction of the force]

So as per the formula

<u>Solution : </u>

Force = 825 N

Distance = 35 m

Work = 825 (n) x 35 (m)

Work = 28875 Joules

<h2 />
6 0
3 years ago
Pand S waves are both
leva [86]

Answer:

3.body

Explanation:

Both P and S waves are both body waves. Body waves are waves that travels through the earth.

P and S waves are elastic seismic waves that moves within the earth. Love and Rayleigh waves are surface waves that travels through the surface.

  • P waves is also known as primary waves
  • S waves are known secondary waves.

These waves are the first set of waves to arrive a seismic station before the surface waves are picked up.

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3 years ago
Electromagnetic spectrum, i need help putting them in order. And maybe get a little help understanding this subject
umka2103 [35]

Explanation:

In order from highest to lowest energies the parts of electromagnetic spectrum are named as

Gamma rays,

X-rays,

ultraviolet radiation,

visible light,

infrared radiation,

and radio waves.

Microwaves are a subsections of radio waves. They are used in microwave ovens to heat the food items.

This is expected EM spectrum in field of science.

3 0
3 years ago
What is the frequency of a wave having a period equal to 18 seconds? a. 6.6 × 10-2 hertz b. 5.5 × 10-2 hertz c. 3.3 × 10-2 hertz
irakobra [83]
Frequency = 1/period. ... 1 / 18 sec = (1/18) per sec. That's 0.056 per sec or 0.056 Hz. (rounded) (5.6 x 10^-2 Hz)
6 0
3 years ago
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maksim [4K]

<em>Kinetic Energy</em>

=><em><u>It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.</u></em>

<em>Potential</em><em> </em><em>Energy</em><em> </em>

<u><em>=</em><em>></em><em>potential energy is the energy held by </em></u><em><u>an</u></em>

<em><u> object because of its position relative to </u></em><em><u>other</u></em>

<em><u> objects, stresses within itself, its </u></em><em><u>electric</u></em>

<em><u> charge, or other factors.</u></em>

<h2>Difference:</h2>

=>Potential energy is a <u>stored</u> energy on the other hand kinetic energy is the energy of an object or a system's particle in <em><u>Motion</u></em>.

6 0
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