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when you catch a baseball, what kind of work do you do, negative or positive? by catching the baseball, what do you change? does the baseball gain or lose energy? what kind of energy?

Amass has an acceleration of 10- 2t. what is its velocity and displacement if it started at x- 4m and the initial velocity was 8m/s? at what time does it have 0 velocity? graph all graphs.

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

Which best represents the law of conservation of mass ?