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3 years ago

9

A pitcher throws a baseball as shown in the diagram below.

2 answers:

Nat2105 [25]3 years ago

7 0

B is the answer because of its throwing the other 2 have potential energy

NemiM [27]3 years ago

6 0

I think that D is the answer because the ball is moving, the pitcher is following through, the batter is loading up to hit, and the catcher is just waiting in the ball to get there!!

Thank you and happy studying!!

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lubasha [3.4K]

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3 years ago

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Answer:

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3 years ago

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iVinArrow [24]

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3 years ago

A horizontal 2.00\ m2.00 m long, 5.00\ kg5.00 kg uniform beam that lies along the east-west direction is acted on by two forces.

Sunny_sXe [5.5K]

Answer: $240\ rad/s^2$

Explanation:

Given

Length of beam $l=2\ m$

mass of beam $m=5\ kg$

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$\tau =F\times l=200\times 2=400\ N.m$

Also, the beam starts rotating about its center

So, the moment of inertia of the beam is

$I=\dfrac{ml^2}{12}=\dfrac{5\times 2^2}{12}\\\\I=\dfrac{5}{3}\ kg.m^2$

Torque is the product of moment of inertia and angular acceleration

$\Rightarrow \tau=I\alpha\\\\\Rightarrow 400=\dfrac{5}{3}\times \alpha\\\\\Rightarrow \alpha =240\ rad/s^2$

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3 years ago

A car, starting from rest, accelerates at

Mekhanik [1.2K]

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2 years ago

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