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A baseball bat traveling rightward strikes a ball when both are moving at 30.5 m/s (relative to the ground) toward each other. The bat and ball are in contact for 1.10 ms, after which the ball travels rightward at a speed of 42.5 m/s relative to the ground. The mass of the bat and the ball are 850 g and 145 g, respectively. Define rightward as the positive direction.

User Casaout
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Final answer:

The question involves physics principles related to collisions, momentum, and impulse. Calculation of force involves the impulse-momentum theorem, and work calculations involve the work-energy theorem, both central concepts in high school mechanics.

Step-by-step explanation:

The student is asking about a scenario in which a baseball bat and ball collide and is seeking to understand the resultant velocities and forces involved in the collision. To solve this problem, principles of momentum and impulse are applied, considering the mass of the objects involved and the change in velocity due to the collision. Such problems are often discussed in physics, specifically in the field of mechanics, under the topic of linear momentum and collisions. For instance, the magnitude and direction of the average force exerted by the bat on a baseball can be found using the impulse-momentum theorem, which states that the change in momentum (Δp) of an object is equal to the impulse (FΔt) imparted on it. The momentum change can be calculated by taking the difference between the final and initial momentum of the baseball (mβf - mβi), and this value is equal to the product of the average force and the time interval during which the force is applied (FΔt). When considering work done by air resistance, the work-energy theorem is applied, wherein work done is equal to the change in kinetic energy. Calculations involving such forces consider the initial and final velocities, the mass of the baseball, and the distances traveled in various directions.

User Baltazar
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