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eduard
4 years ago
8

Can u plz help I'm failing and I have 2 weeks to get my grades up someone help me plz plz plz plz this is not a test ok it was h

w and then I got extra credit and a lot of other stuff but plz help me plz plz plz plz

Physics
2 answers:
Anastaziya [24]4 years ago
7 0
1. B
2. A
3. B
4. C
5. heterogeneous
6. element
7. do
8. true
9. true
10. true
faltersainse [42]4 years ago
3 0
1. B
2. A
3. B
4. C
5. heterogeneous
6. element
7. do
8. true
9. true
<span>10. true

Hope you pass! :)

</span>
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What is a non contact force that attracts all objects to the centre of the earth
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Answer:

<em>Gravity</em><em>.</em><em> </em><em>The</em><em> </em><em>weight-force</em><em> </em><em>or</em><em> </em><em>weight</em><em> </em><em>of</em><em> </em><em>an</em><em> </em><em>object</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>force</em><em> </em><em>because</em><em> </em><em>of</em><em> </em><em>Gravity</em><em>,</em><em> </em><em>which</em><em> </em><em>acts</em><em> </em><em>on</em><em> </em><em>the</em><em> </em><em>object</em><em> </em><em>attracting</em><em> </em><em>it</em><em> </em><em>towards</em><em> </em><em>the</em><em> </em><em>centre</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>earth</em><em>.</em>

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4 0
3 years ago
if a body of mass 2kg travels with 2 m/s and other body of mass 2kg travels with 1m/s then find v1 and v2 in given statement​
KIM [24]

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Your answer is here,

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v1 = 4 kg m/s

v2 = 2 kg m/s

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A 946.4 kg ( 2083 lb ) car is moving at 14.8 m / s ( 33.0 mph ) . Calculate the magnitude of its momentum.
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4 years ago
The state of matter that consists of electrically charged particles
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The state of matter that consists of electrically charged particles is Plasma.
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A laser beam is incident on two slits with a separation of 0.230 mm, and a screen is placed 4.75 m from the slits. If the bright
Mariulka [41]

Answer:

7.55\times 10^{-7} m

Explanation:

We are given that

d=0.23 mm=0.23\times 10^{-3} m

1mm=10^{-3} m

Screen is placed  from the slits at distance ,L=4.75 m

The bright interference fringes on the screen are separated  by 1.56 cm.

\Delta y=1.56 cm=1.56\times 10^{-2} m

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We have to find the wavelength of laser light.

We know that

\Delta y=\frac{\lambda L}{d}

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\lambda=7.55\times 10^{-7} m

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3 years ago
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