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Nady [450]
3 years ago
12

A pitcher releases a fastball that moves toward home plate.

Physics
1 answer:
Vsevolod [243]3 years ago
5 0

The two additional forces that act on the ball as it travels between the pitcher and the home plate are air resistance and gravity.

<h3>What are the forces that affect object in motion;</h3>
  • Air resistance: this is the force that oppose the motion of an object in air due to frictional force
  • Gravity: this is the force due to weight of the object and acts downwards.

The two additional forces that act on the ball as it travels between the pitcher and the home plate include:

  1. Air resistance and
  2. Gravitational force  

<h3>How the forces affect the motion of the ball</h3>
  • Air resistance oppose the motion of the ball as it travels in air.
  • Gravity is the force due to weight of the ball and acts downwards.

Learn more about forces on object in motion here: brainly.com/question/10454047

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You learned about the general concept of parallax in Chapter 2, and the video offers a review of the basic ideas. To check your
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b.

Explanation:

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The half-life of radium-226 is 1600 years. How many
Alenkinab [10]

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3 years ago
A geosynchronous satellite orbits Earth at a distance of 42,250 km from the center of Earth and has a period of 1 day. What is t
yan [13]

Answer:

The centripetal acceleration of the satellite is a=0.22\ m/s^2.

Explanation:

Given that,

The distance covered by a geosynchronous satellite, d = 42250 km

The time taken by the satellite to covered distance, t = 1 day = 24 hours

Since, 24 hours = 86400 seconds

Let v is the speed of the satellite. It is given by the total distance divided by total time taken such that :

v=\dfrac{d}{t}

v=\dfrac{2\pi d}{t}

v=\dfrac{2\pi\times 42250 \times 10^3}{86400 }

v = 3072.5 m/s

The centripetal acceleration of the satellite is given by :

a=\dfrac{v^2}{d}

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