Physics, 16.10.2019 20:00 pnhandley01
A14 kg cannon ball is fired from a 622 kg brass cannon on a frictionless, horizontal surface at an angle of 15º with respect to the horizontal. the cannon is constrained to move only in the horizontal direction. the initial velocity of the cannon ball is vi = 32 m/s. 1) previous to launch, what is the net momentum of the ball and cannon system?
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Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground
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Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
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Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap
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An object is placed in front of a concave mirror between the pole and the focus of the mirror, what is the nature of the image formed by the mirror
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A14 kg cannon ball is fired from a 622 kg brass cannon on a frictionless, horizontal surface at an a...
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