3 years ago

Fun Fact:

Physics

1 answer:

saul85 [17]3 years ago

7 0

Answer:

Haha

Explanation:

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If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water wouldA sink.B

Grace [21]

Answer:

D float.

Explanation:

Here, neutrally buoyant in fresh water

Now,

since the specific gravity of salt water is higher than the specific gravity of the fresh water therefore, the salt water will apply more buoyant force on the object.

And as the object is neutral in fresh water, more buoyant force will make the object float in the salt water.

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3 years ago

Which correctly ranks, from fastest to slowest, the time it will take one wavelength to pass a certain point?

dsp73

No option to choose from? I'd say history graph

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3 years ago

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Look at the diagrams. Each model the arrangement of particles in a substance.

Kisachek [45]

Answer:

Explanation:

because it has compact molecules

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2 years ago

Frank has a sample of steel that has a mass of 80 grams if the density is 8g/cm3 what is the volume

nikklg [1K]

Density is mass divided by volume. rho=m/v. So, v=m/rho. In frank's case this is 80/8 = 10 cm^3.

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3 years ago

A triply charged ion with velocity 7.00 × 10^6 m/s moves in a path of radius 36.0 cm in a magnetic field of 0.55 T in a mass spe

saw5 [17]

Answer:

Mass of ion will be $22\times 10^{-13}kg$

Explanation:

We have given ion is triply charged that is $q=3\times 1.6\times 10^{-19}=4.8\times 10^{-19}C$

Radius r = 36 cm = 0.36 m

Velocity of the electron $v=7\times 10^6m/sec$

Magnetic field B = 0.55 T

We know that radius of the path is given by $r=\frac{mv}{qB}$

$m=\frac{rqB}{v}=\frac{0.36\times 4.8\times 10^{-19}\times 7\times 10^6}{0.55}=22\times 10^{-13}kg$

6 0

3 years ago