At t = 1.43 s, the baseball shown in the image is about 1 m above the ground was thrown from a distance of 10 m with an initial velocity of 15m/s from a height of 1.5 m a) Draw a sketch of the scenario. In your sketch include your results from b-d below. Neglecting wind resistance determine b) What is the horizontal component of speed of the ball at t=1.43s. c) What is the vertical component of speed of the ball t=1.43s. d) What is the at the instantaneous speed of the ball t=1.43s.

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There is a theory that indicates that dinosaurs became extinct when about 65 million years ago, a large asteroid hit the earth surface. dust caused by this collision blocked the sunlight reaching the earth's surface and many forms of life became extinct due to the cold. fearing this threat, how large the radius of an asteroid should you be looking for if the dangerous asteroid size is approximately the same as the one that killed the dinosaurs? available data suggests that about 18% of that asteroid's mass ended up as a dust spread evenly over earth after eventually settling out of the upper atmosphere. about 0.0180 g/cm^2 of dust, which is chemically different than the earth's rock, covered the earth's surface. typical asteroids have a density of about 1.9 g/cm^3. now that we know the size of the asteroid, how much energy was released during impact, assuming all of it was just the kinetic energy of the asteroid right before the impact?

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.