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vampirchik [111]
3 years ago
5

This image shows a stream of positively charged particles being directed at gold foil. The positively charged particles are call

ed "alpha particles” and each one is like a nucleus without any electrons.
What is the best explanation for why a particle is striking point X?

Physics
2 answers:
Stells [14]3 years ago
4 0

Some of the heavy particles bounced off the foil, because there are positive particles spread throughout the atom

AlladinOne [14]3 years ago
3 0
<h2>Answer:</h2>

<u>It is deflecting towards point X because it is hitting the proton or neutron</u>

<h2>Explanation:</h2>

The experiment shows the model of Rutherford atomic model and he concluded that every atom contains a nucleus where all of its positive charge and most of its mass are concentrated. So when the ray passes straight it meant that most of the place inside atom is empty but when it directly hits the neucleus it would come back at 180 degrees and when it passes with neucleus it bends away with the angle of 90 degrees.

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Football is kicked at 23.4 m/s at a 38.5 angle. How far away does it land?
natulia [17]

Answer: go0gle will know the answer

Explanation: hey I’m not giving fault answers so yea

5 0
3 years ago
Read 2 more answers
Two forces, F⃗ 1F→1F_1_vec and F⃗ 2F→2F_2_vec, act at a point,F⃗ 1F→1F_1_vec has a magnitude of 8.80 NN and is directed at an an
castortr0y [4]

Answer:

  • Fx = -9.15 N
  • Fy = 1.72 N
  • F∠γ ≈ 9.31∠-10.6°

Explanation:

You apparently want the sum of forces ...

  F = 8.80∠-56° +7.00∠52.8°

Your angle reference is a bit unconventional, so we'll compute the components of the forces as ...

  f∠α = (-f·cos(α), -f·sin(α))

This way, the 2nd quadrant angle that has a negative angle measure will have a positive y component.

  = -8.80(cos(-56°), sin(-56°)) -7.00(cos(52.8°), sin(52.8°))

  ≈ (-4.92090, 7.29553) +(-4.23219, -5.57571)

  ≈ (-9.15309, 1.71982)

The resultant component forces are ...

  • Fx = -9.15 N
  • Fy = 1.72 N

Then the magnitude and direction of the resultant are

  F∠γ = (√(9.15309² +1.71982²))∠arctan(-1.71982/9.15309)

  F∠γ ≈ 9.31∠-10.6°

4 0
3 years ago
What would happen to the two balls if one of them were kept positively charged and the charge on the other ball were slowly incr
Whitepunk [10]

Answer:

The force of repulsion between the two balls will increase

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The electrostatic force between two charged objects is given by

F=k\frac{q_1 q_2}{r^2}

where

k is the Coulomb's constant

q1 and q2 are the charges of the two objects

r is the distance between the centres of the two objects

We see that the magnitude of the force is directly proportional to the charges on the two objects. in this problem, we have two positively charged balls (so, there is a force of repulsion between them, since like charges repel each other and unlike charges attract each other), and the positive charge in one of them is slowly increased: this means that either q_1 or q_2 in the formula is increasing, and so the magnitude of the force is increasing.

6 0
3 years ago
Which equations can be used to solve for acceleration? Select four options.
tatiyna

Explanation:

Acceleration of an object is calculated by finding the change in its velocity divided by time taken.

If v_i is initial velocity, v_f is final velocity and t is time taken. Then the acceleration of the object is given by :

a=\dfrac{v_f-v_i}{t}\\\\at=v_f-v_i\\\\v_f=v_i+at .....(1)

So, the above equation is used to find acceleration. It is called the first equation of motion. After rearranging equation (1), the correct options are :

t=\dfrac{\Delta v}{a}

v_i=v_f-at

v_f=v_i+at

a=\dfrac{\Delta v}{t}

7 0
3 years ago
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Definition of wave velocity ​
maksim [4K]

Answer:

Velocity = frequency * wave length

Explanation:

Wave velocity is  the measure of how fast the wave is being transmitted to a particular direction.

velocity implies both speed and direction as we know.

The velocity of a wave is equal to the product of its wavelength and frequency

where

  • frequency  - number of oscillations per unit time (measured in Hz)
  • wave length - distance between corresponding points of two consecutive waves  (measured in meters)

3 0
3 years ago
Read 2 more answers
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