I NEED HELP PLEASE, THANKS! :)

1 answer:

7 0

We are given that a baseball player is running forward at 3 meters per second, throwing a ball at an angle of 20 with respect to a velocity of 20 meters per second -

( Thus, the horizontal component should be 3 + 20( cos 20 ),

( Respectively the vertical component should be 20( sin 20 )

Horizontal Component = ( About ) 21.7938...

Vertical Component = ( About ) 6.8404....

Now the speed, or otherwise velocity can be calculated through the formula v^2 = ( v1 )^2 + ( v2 )^2 -

$v^2 = ( 21.8 )^2 + ( 6.84 )^2,\\v^2 = 475.24 + 46.7856,\\v^2 = ( About ) 522,\\v = 22.8 ( meters / second )\\\\Resultant Speed = 22.8 m / s$

And the direction can be calculated through the formula - $direction = tan( v^2 / v^1 ),\\direction = tan( 6.84 / 21.8 ),\\direction = ( About ) 17.4 ( degrees )$

<u><em>The resultant speed is 22.8 m / s, thrown with at an angle ( direction ) of 17.4 degrees</em></u>

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NemiM [27]

For this case we have the following inequality:
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$
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$
Then, we must evaluate ordered pairs in the following way:
(x, y)
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Answer:
See attached image.