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3 years ago

I need help with 1-10

Physics

1 answer:

e-lub [12.9K]3 years ago

3 0

Answer:

1) C. Energy

2) A. Joule

3) D. Joule

4) B. Potential

5) A. Greater

6) C. Largest

7) A. Speed and mass

8) A. Kinetic

9) A. Kinetic

10) D. Height and mass

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A small stationary satellite deep in space exploded into two pieces.

xz_007 [3.2K]

Answer:

I don't know the answer

Explanation:

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2 years ago

Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which

notka56 [123]

Answer:

$a=5.66*10^{23} \frac{m}{s^2}$

Explanation:

In this case we will use the Bohr Atomic model.

We have that: $F=m*a$

We can calculate the centripetal force using the coulomb formula that states:

$F=k*\frac{q*q'}{r^2}$

Where K= $9*10^9 \frac{Nm^2}{C}$

and r is the distance.

Now we can say:

$m*a=k*\frac{q*q'}{r^2}$

The mass of the electron is = $9.1*10^{-31}$ Kg

The charge magnitud of an electron and proton are= $1.6*10^{-19}C$

Substituting what we have:

$[tex]a=\frac{9*10^{9}*(1.6*10^{-19} )*(2(1.6*10^{-19} ))}{9.1*10^{-31}*(2.99*10^{-11})^2 }$ [/tex]

so:

$a=5.66*10^{23} \frac{m}{s^2}$

3 0

3 years ago

A 100-n object and a 50-n object are placed on scales a and b respectively inside an elevator ascending with constant velocity

german

Answer: b

Explanation:

8 0

3 years ago

Can someone please help me with this.

just olya [345]

Answer:

fast and hard

Explanation:

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3 years ago

Example of first, second and third law of motion.

statuscvo [17]

Examples of Newton's three law of motion.

First law of motion: A rocket being launched up in the atmosphere.

Second law of motion:while riding a bicycle, a bicycle acts as a mass and our legs pushing on the pedals of the bicycle is the force.

Third law of motion:when we jump off from the boat,the boat moves backward.

Hope,it will helpyouu!

4 0

3 years ago