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3 years ago

A person drops a ball off the top of a 10 story building. What statement below best describes the movement of the ball?

Physics

1 answer:

irina [24]3 years ago

3 0

Most helpful Answer~

There are no options~

Anyway If the ball is of bad quality it will get deflated/ or strike out.

' The must reasonable thing that could happen is that the ball will bounce'

*Smile* :)

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The unit of electrical current is the ampere (A).

IrinaVladis [17]

Answer:

option B

Explanation:

Current unit is ampere (A)

Ampere will be equivalent to = ?

we know,

Current can be define as the charge per unit time

$I = \dfrac{Q}{t}$

unit of charge(Q) is coulomb which is equal to C.

unit of time(t) is equal to 's'.

now,

$I = \dfrac{C}{s}$

unit of I = C/s

ampere(A) is equivalent to C/s

The correct answer is option B

4 0

3 years ago

Edit question A 37-cm-long wire of linear density 18 g/m vibrating at its second mode, excites the third vibrational mode of a t

Pachacha [2.7K]

Answer:

176.9N

Explanation:

The following data were given

wire length,L=37cm=0.37m

linear density=18g/m

tube length,=192cm=1.92m,

speed of sound,v=343m/s

Since it is an open-closed tube, the second harmonic frequency is expressed as

$f_{3}=3(\frac{v}{4l} )\\f_{3}=3(\frac{343}{4*1.92})\\f_{3}=133.98Hz$

The relationship between the tension, linear density and second harmonic frequency is expressed as

$f_{3}=\frac{1}{2l_{w}}\sqrt{\frac{T}{\alpha } } \\T=(f_{3}*2l_{w})^{2}\alpha \\T=(133.984*2*0.37)^{2}*18*10^{-3}\\T=176.9N$

7 0

3 years ago

A shield of material that reflects neutrons is placed around a radioactive sample. Which change in the nuclear reaction is most

Crazy boy [7]

Answer:

A chain reaction will be sustained in a sub-critical mass.

Explanation:

Hope this helps!

If not, I am sorry.

3 0

2 years ago

How does the sun's gravity and the earth inertia keep us orbiting in the solar system

scZoUnD [109]

<span>Inertia keeps us orbiting because any object with mass has the tendency to resist changes to their direction and speed of movement. Combine that with the interaction of the gravitational attraction of the sun, and that is what keeps Earth in orbit. The sunâ€™s gravitational force is one that is proportional to Earthâ€™s mass, and it acts in a way that is almost exactly perpendicular to Earthâ€™s motion. This keeps Earth from spinning into the sun or far away from it.</span>

6 0

3 years ago

What's the answer plz help?!

eimsori [14]

I think the answer is c chemical change

6 0

3 years ago

Read 2 more answers