In the figure here, a ball is thrown up onto a roof, landing 4.90 s later at height h = 18.0 m above the release level. The ball's path just before landing is angled at 0 = 50.0° with the roof. (a) Find the horizontal distance d it travels. (Hint: One way is to reverse the motion, as if it is on a video.) What are the (b) magnitude and (c) angle (relative to the horizontal) of the ball's initial velocity? DOO0 (a) Number i Unit (b) Number Unit (c) Number i Unit

In the figure here, a ball is thrown up onto a roof, landing 4.90 s later at height h = 18.0 m above the release level. The ball's path just before landing is angled at 0 = 50.0° with the roof. (a) Find the horizontal distance d it travels. (Hint: One way is to reverse the motion, as if it is on a video.) What are the (b) magnitude and (c) angle (relative to the horizontal) of the ball's initial velocity? DOO0 (a) Number i Unit (b) Number Unit (c) Number i Unit

General Chemistry - Standalone book (MindTap Course List)

11th Edition

ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter6: Thermochemisty

Section: Chapter Questions

Problem 6.130QP

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Two nitro (NO,) groups are chemically bonded to a patch of surface. They can't move to another location on the surface, but they can rotate (see sketch at right). It turns out that the amount of rotational kinetic energy each NO, group can have is required to be a multiple of ɛ, where 8= 1.0 x 10 -24 J. In other words, each NO, group could have ɛ of rotational kinetic energy, or 2ɛ, or 3ɛ, and so forth - but it cannot have just any old amount of rotational kinetic energy. Two rotating N0, groups Suppose the total rotational kinetic energy in this system is initially known to be 41ɛ. Then, some heat is removed from the bonded to a surface. system, and the total rotational kinetic energy falls to 30ɛ. Calculate the change in entropy. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. Check 2021 McGraw-Hill Education All Rights Reserved Tems of Uhe Privacy Accesbil Explanation MacBook Air olo
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