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Serhud [2]
3 years ago
5

A man is sitting in the outfield bleachers watching a baseball game through binoculars. Which is MOST LIKELY true?

Physics
2 answers:
Anestetic [448]3 years ago
7 0
Choice-A is the correct one. It doesn't say it, but it means he'll see the ball reach the catcher's mitt first BEFORE HE HEARS IT slap the mitt.
amid [387]3 years ago
5 0

Answer:

a

Explanation:

Because the speed of light is faster than the speed of sound, the man will see the ball reaching the catcher's mitt before he will hear the sound of the ball hitting the mitt.

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A charge of -3.30 nC is placed at the origin of an xy-coordinate system, and a charge of 2.05 nC is placed on the y axis at y =
Elis [28]

Answer:

F_{3h}=39065.298\times 10^9\ N attractive toward +x axis is the net horizontal force

F_v=80062.47\times 10^9 attractive toward +y axis is the net vertical force

Explanation:

Given:

  • charge at origin, Q_0=-3.35\times 10^{-6}\ C
  • magnitude of second charge, Q_2=2.05\times 10^{-6}\ C
  • magnitude of third charge, Q_3=5\times 10^{-6}\ C
  • position of second charge, (x_2,y_2)\equiv(0,4.35)\ cm
  • position of third charge, (x_3,y_3)\equiv(3.1,3.8)\ cm

<u>Now the distance between the charge at at origin and the second charge:</u>

d_2=\sqrt{(x_2-0)^2+(y_2-0)^2}

d_2=\sqrt{(0-0)^2+(4.35-0)^2}

d_2=0.0435\ m

<u>Now the distance between the charge at at origin and the third charge:</u>

d_3=\sqrt{(x_3-0)^2+(y_3-0)^2}

d_3=\sqrt{(3.1-0)^2+(3.8-0)^2}

d_3=0.04904\ m

<u>Now the force due to second charge:</u>

F_2=\frac{1}{4\pi.\epsilon_0} \times \frac{Q_0.Q_2}{d_2^2}

F_2=9\times 10^9\times \frac{3.3\times 2.05}{0.0435^2}

F_2=32175.98\times 10^9\ N attractive towards +y

<u>Now the force due to third charge:</u>

F_3=\frac{1}{4\pi.\epsilon_0} \times \frac{Q_0.Q_3}{d_3^2}

F_3=9\times 10^9\times \frac{3.3\times 5}{0.04904^2}

F_3=61748.38\times 10^9\ N attractive

<u>Now the its horizontal component:</u>

F_{3h}=\frac{3.1}{4.9} \times 61748.38\times 10^9

F_{3h}=39065.298\times 10^9\ N attractive toward +x axis

<u>Now the its vertical component:</u>

F_{3v}=\frac{3.8}{4.9} \times 61748.38\times 10^9

F_{3v}=47886.49\times 10^9\ N upwards attractive

Now the net vertical force:

F_v=F_{3v}+F_2

F_v=47886.49\times 10^9+32175.98\times 10^9

F_v=80062.47\times 10^9

3 0
3 years ago
Tripling the displacement from equilibrium of an object in simple harmonic motion will bring about a change in the magnitude of
Anni [7]

Answer:

acceleration will be tripled.

Explanation:

We know, when an object is performing Simple harmonic motion, the force

experience by it is directly proportional to its displacement from its mean position.

Also, F = ma , therefore, acceleration is also proportional to its displacement .

Now, F = kx

Therefore, a=\dfrac{k\ x}{m}

If we triple the displacement i.e, 3x.

Acceleration a'=\dfrac{k(3x)}{m}=3a.

Therefore, acceleration is also tripled.

Hence, this is the required solution.

7 0
2 years ago
A lightweight ball is thrown horizontally. What forces act on the ball just after being released from the thrower's hand
algol [13]

The forces acting on a ball just after it's released from the thrower's hand is <u>gravity</u>.

<h3>What is a force?</h3>

A force refers to a push or pull of an object such as a ball, which typically results in a change of motion (acceleration), especially due to the interaction of the object with another.

<h3>What is gravity?</h3>

Gravity can be defined as a force of attraction that controls the movement of an object such as a ball and the planets around the Sun.

In this scenario, the forces acting on a ball just after it's released from the thrower's hand is a force of <u>gravity</u> or gravitational force since it was thrown horizontally.

Read more on force here: brainly.com/question/1121817

6 0
2 years ago
Which of these is a mixture of elements?
Veseljchak [2.6K]

-- Carbon dioxide is a compound of two elements.

-- Salt is a compound.
Pepper is a mixture of compounds.
Salt and pepper together in a shaker is a mixture of more compounds.

-- Silver is an element.
Gold is an element.
Silver and gold together in a shaker is a mixture of elements.


4 0
2 years ago
Read 2 more answers
Which statement best explains some consequences of early sexual activity? Consequences to early sexual activity are not importan
Artemon [7]

I'd say a from opinion but its answer is d

8 0
2 years ago
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