15A81 kg skydiver can be modeled as a rectangular "box" with dimensions 18 cm x 35 cm x 180 cm. Ifhe falls feet first, his drag coefficient is 0.80.Part AWhat is his terminal speed if he falls feet first? Use p = 1.2 kg/m³ for the density of air at room temperature.Express your answer with the appropriate units.ValueUnitsSubmitRequest Answer

We know that Drag force is D = 1/2*density*v2*C*A Where C is the Drag coeffecientW = m*gAt terminal…

Answered: 15 A81 kg skydiver can be modeled as a…

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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Similar questions

A 63.0 kg skater moving initially at 2.10 m/s on rough horizontal ice comes to rest uniformly in 3.80 s due to friction from the ice. Part A What force does friction exert on the skater? Express your answer with the appropriate units. F HÅ Value Submit Request Answer Units BREED ?
You want to use a rope to pull a 12-kg box of books up a plane inclined 30° above the horizontal. The coefficient of kinetic friction is 0.28. The rope pulls parallel to the incline. Part A What force do you need to exert on the rope if you want to pull the box at constant speed. Express your answer with the appropriate units.
IP Two blocks, stacked one on top of the other, can move without friction on the horizontal surface shown in the figure.(Figure 1) The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.44. Part A If a horizontal force F is applied to the 5.0-kg bottom block, what is the maximum value F can have before the 2.0-kg top block begins to slip? Express your answer using two significant figures. Πν ΑΣφ. F = N Submit Request Answer Part B If the mass of the top block increased, does the maximum value of F increase, decrease, or stay the same? O increases O decreases O stays the same Submit Request Answer Provide Feedback Figure 2.0 kg F 5.0 kg
Figure B 0.500 m Part C Block A has a mass of mд = 42.0 kg and rests on a flat surface. (Figure 3)The coefficient of static friction between the block and the surface is μA = 0.210. The coefficient of static friction between the rope and the fixed peg B is 0.340. The width of the block is d=0.200 m. Find the greatest mass, mc, that weight C can have such that block A does not move. Express your answer numerically in kilograms to three significant figures. ▸ View Available Hint(s) ΜΕ ΑΣΦ ↓↑ vec mc 30.6 T 0.200 m A 0.300 m Submit Previous Answers 0.400 m- × Incorrect; Try Again; 19 attempts remaining ? kg
What is the terminal speed of a 7.11 kg spherical ball that has a radius of 1.69 cm and a drag coefficient of 1.38? The density of the air through which the ball falls is 1.20 kg/m³. Number i Units
The 1.1 kg physics book in figure is connected by a string to a 550 g coffee cup. The book is given a push up the slope and released with a speed of 3.5 m/s. The coefficients of friction are μ = 0.50 and μ = 0.20. (Figure 1) Figure 20⁰ 1 of 1 Part A How far does the book slide? Express your answer with the appropriate units. Value Submit Part B μA Submit O stick to the slope O slide back downhill Provide Feedback Units Request Answer At the highest point, does the book stick to the slope, or does it slide back down? ? Request Answer
AP A student, crazed by final exams, uses a force P of magnitude P and angle 0 to push a block of mass m across the ceiling of his room, as in the figure. If the coeffcient of kinetic friction between the block and the ceiling is µk, what is the magnitude of the block's acceleration? NOTE: Express your answer in terms of the given variables, and g. |ā|
An adventurous model got bored and decided to try something new. She went out to the top of a steep icy road and went down on a sled. If friction is so small that it can be neglected, which of the following statements correctly describes the physics in the situation? Ad B C Only gravity acts on the model-sled between points A and B. The model-sled experiences no acceleration between A and C. The sled will stop somewhere near B. There is no force acting on the model-sled between points B and C. The sled will continue moving with constant speed from B onwards.
A 4.8-m-long rope of mass 1.8 kg hangs from a ceiling.
Part A A 23-kg chandelier hangs from a celling on a vertical 4.0-m-long wire. What horizontal force would be necessary to displace its position 0.15 m to one side? Express your answer to two significant figures and include the approprlate on b F = Value Units Submit Request Answer Part B What will be the tension in the wire? Express your answer to two significant figures and include the appropriate units. Fr Value Units Submit Request Answer
A medium-sized jet has a 3.8-m-diameter fuselage and a loaded mass of 85,000 kg. The drag on an airplane is primarily due to the cylindrical fuselage, and aerodynamic shaping gives it a drag coefficient of 0.37. Part A How much thrust must the jet's engines provide to cruise at 240 m/s at an altitude where the air density is 1.9 kg/m³? Express your answer with the appropriate units.
Problem 6.33 Part A Above what speed does a 2.5-mm-diameter ball bearing in 20° C water experience quadratic drag? Express your answer with the appropriate units. Uwater = Value Submit Request Answer Part B μÃ Vair = ☐☐ μÀ Value Below what speed does a 2.5-mm-diameter ball bearing in 20°C air experience linear drag? Express your answer with the appropriate units. Units Submit Request Answer P Units input for part A Units ? ?

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