Celeration 12. A baseball is hit and begins flying at a velocity of 20m/s. Just before it is caught 4 seconds later it is
moving at 40m/s. What was the baseball's acceleration?
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Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.