question 94 and 95 (a) the instantancous velocity altime.You're a consultant on a movie set, and the producer wants a car todrop so that it crosses the camera's field of view in time Ar. The fieldof view has height h. Derive an expression for the height above thepaller does89.and onurfacetop of the field of view from which the car should be released.(a) For the ball in Example 2.6, find its velocity just before it hits90.CHthe floor. (b) Suppose you had tossed a second ball straight downat 7.3 m/s (from the same place 1.5 m above the floor), Whatwould its velocity be just before it hits the floor? (c) When wouldthe second ball hit the floor? (Interpret any multiple answers.)ntact,mumf thethisa matter of physics. The novel's central character is kept awakeat night by a leaky faucet. The sink is 19.6 cm below the faucet,At the instant one drop leaves the faucet, another strikes the sinkbelow and two more are in between on the way down. How manyher91.Your roommate is an aspiring novelist and asks your opinion onex-atS.92. Boxes move at constant speed v along a conveyer belt in an au-tomated factory. A robotic hand is suspended a distance h abovedrops per second are keeping the protagonist awake?the conveyer belt, and its purpose is to drop a product into eachbelt. Find an expression for the location of the box, expressed asa distance from a point below the robotic hand, at the instant thebox. The robot's eyes observe each box as it moves along the93. Derive Equation 2.10 by integrating Equation 2.7 over time.You'll have to interpret the constant of integration. w.o.gshand should release the product.94. An object's acceleration increases quadratically with time:CHa(1) = br², where b = 0.041 m/s*. If the object starts from rest,CH95. An object's velocity as a function of time is given byCHv(1) = bt - ct, where b and c are positive constants with ap-how far does it travel in 6.3 s?propriate units. If the object starts at x =0 at time t = 0, findexpressions for (a) the time when it's again at x 0 and (b) itsacceleration at that time.96. An object's acceleration decreases exponentially with time:CH a(t)= aoe bi, where ao and b are constants. (a) Assuming theobject starts from rest, determine its velocity as a function oftime. (b) Will its speed increase indefinitely? (c) Will it travelindefinitely far from its starting point?97. A ball is dropped from rest at a height ho above the ground. At theCHsame instant, a second ball is launched with speed vo straight upfrom the ground, at a point directly below where the other ball isdropped. (a) Find a condition on vo such that the two balls will col-lide in mid-air. (b) Find an expression for the height at which theycollide.Passage ProblemsA wildlife biologist is studying the hunting patterns of tigers. Sheanesthetizes a tiger and attaches a GPS collar to track its movements.

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Answered: 94. An object's acceleration increases…

94. An object's acceleration increases quadratically with time: CH a(1) = br, where b = 0.041 m/s". If the object starts from rest, how far does it travel in 6.3 s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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help with questions 55,56,57,58,59,60,61,62,and 63