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vladimir1956 [14]
4 years ago
13

A horizontal black line at left labeled A has a blue arrow pointing down to it and another blue arrow pointing down from it. A h

orizontal black line at right labeled B has a blue arrow pointing down to it and a blue wave running down from its bottom. Which diagram (A or B) shows transmission?
Physics
2 answers:
never [62]4 years ago
7 0

Answer:

The Correct answer is B

Sergio [31]4 years ago
4 0

Answer:

A is the answer it shows transmission

Explanation:

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Find the mass of an object with force 280 Newton and acceleration as 18 m/s2.​
Yuki888 [10]

Answer:

mass of the object is : -

=》15.55 kg

Explanation:

force (f) = mass (M) × Acceleration (A)

=》280 = M × 18

=》M = 280 ÷ 18

=》M = 15.55 kg

8 0
3 years ago
A proton and a deuteron are moving with equal velocities perpendicular to a uniform magnetic field. A deuteron has the same char
Yuri [45]

Answer:

The ratio of the acceleration of the proton to that of the deuteron is 2

Explanation:

For a moving charge in magnetic field, the magnetic force is balanced by force due to its motion. So,

qvB=ma

Acceleration of proton,

a_p=\dfrac{qvB}{m_p}  .........(1)

Acceleration of deuteron,

a_d=\dfrac{qvB}{m_d}   ..........(2)

Since, a deuteron has the same charge as the proton but has twice its mass.

Dividing equation (1) and (2) we get :

\dfrac{a_p}{a_d}=\dfrac{m_d}{m_p}

m_d=2m_p

\dfrac{a_p}{a_d}=\dfrac{2m_p}{m_p}\\\\\dfrac{a_p}{a_d}=2

So, the ratio of the acceleration of the proton to that of the deuteron is 2. Hence, the correct option is (a).

4 0
3 years ago
A person slaps her leg with her hand, which results in her hand coming to rest in a time interval of 2.75 ms from an initial spe
bazaltina [42]

Answer:

1350N

Explanation:

2.75 ms = 2.75*10^{-3}s

The force exerted on the hand would be the momentum divided by the duration of contact.

As the hand is coming to rest, final velocity would be 0

F = \frac{\Delta P}{\Delta t} = \frac{m(0 - v)}{\Delta t} = \frac{1.65*(2.25 - 0)}{2.75 * 10^{-3}} = -1350 N

The magnitude of the force would be 1350N

5 0
3 years ago
An official act by the President forgiving a person convicted of a crime and
Igoryamba

Answer:

Pardon

Explanation:

Using the fundamental laws of mass-energy conservation. We can determine that the photon particle is fundamental and delivers the energy required to change the mass of an object into energy.

7 0
3 years ago
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How can a magnetic field be produced, using a wire, a battery, and and a nail?
Aleks [24]
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Step 1 - Gather the Materials
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Step 2 - Remove some Insulation
Step 3 - Wrap the Wire Around the Nail
Step 4 - Connect the Battery
5 0
3 years ago
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