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A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0 degree angle (above the horizontal) toward center field.
(a) Determine the impulse (in N's) acting on the ball.
(b) If the impact time is 0.00080 s, determine the average force on the ball.
(c) The force on the ball as a function of time can be modeled as F(t) = Fmax sin^2(4000t). Using this function, assuming it will give the same impulse as the average force, find Fmax.
(d) Find the average acceleration of the ball.
(e) For some extra 2-D motion practice, does this ball clear the outfield fence, 410 ft away?
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A certain gyroscope consists of a uniform disk with a 48 cm radius mounted at the center of an axle that is 12 cm long, what is the precession rate
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q1. an aluminium cup of 180 cm3 capacities is totally filled with glycerin at 18deg c. how much glycerin in cubic cm
a cube of wood floating in water supports a 200g mass at the centre of its top face. when the mass is removed, the cube rises by 2cm. determine the volume of the cube
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