(III) A uniform circular plate of radius 2R has a circularhole of radius R cut out of it. The center C' of the smallercircle is a distance 0.80R fromthe center C of the largercircle, Fig. 7-41. What isthe position of the centerof mass of the plate?[Hint: Try subtraction.]2RC C'0.80RFIGURE 7-41Problem 55.

The mass of plate A, mA=4πR2dρ The mass of plate B, mB=πR2dρ

Answered: (III) A uniform circular plate of…

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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Find the x center of mass of the following masses at their respective coordinates: m1=2.5, x1=0.6,y1=-0.6 m2=3.5, x2=2.8,y2=3.8 m3=4.0, x3=-2.4,y3=-2.6 x_com=?
6)3 in the first quadrant, bclow thc graph of y=x³, for 0<1<2. Find the center of mass of a thin plate of constant mass density 8,
In the figure, block 1 of mass m slides from rest along a frictionless ramp from height h-3.1 m and then collides with stationary block 2. which has mass m2 - 4m,. After the collision, block 2 slides into a region where the coefficient of kinetic friction is 0.5 and comes to a stop in distanced within that region. What is the value of distance dif the collision is (a) elastic and (b) completely inelastic? Frictionles (a) Number Unit (b) Number Unit
Find the center of mass (x̄, ȳ, z̄) of the block, given: L1 = 5 in, L2 = 4 in, L3 = 6 in, L4 = 5 in, L5 = 3 in, L6 = 8 in
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 45.0 km/h to the left. A new model of mass 1500 kg takes 0.150 s from the time of impact until it is brought to rest. Calculate the average force (magnitude and direction) that is exerted on the car by the barrier?
You have been hired as an expert witness in a crash investigation. Car A of mass 1900 kg crashed into stationary car B of mass 1000 kg. You measure the coefficient of kinetic friction between the locked tires a was in park so the tires did not turn). Car A hits car B, locking bumpers so that they s bef nd the road to be 0.6 (car B kid off together. They skid 20 m ore coming to a sto p. a) (8 pts) find the speed in km/h of Car A and B (stuck together, so one number) immediately was hit, before they were slowed down by friction. [If you do not have an answer for part a you may assume 20 km/h to continue the problem. Stat had before striking car B. [If you do not have an answer for part b you may assume 50 km/h to continue the problem. State you are doing this] c) (5pts) It turns out car B was just over a hill, so that car A could not have seen it until it was only 40 m away. How much time did the driver of car A have to react to seeing car B2 d)(4pts) discuss whether or not your answers…
b) A vertical pile of mass 150 kg is driven 120 mm into the ground by the blow of a 1100 kg hammer, which falls through 800 mm. assuming the hammer and pile remain in contact, determine the following: i) The velocity of the hammer just before impact ii) The velocity immediately after impact iii) The resistive force of the ground, assuming it to be uniform
(c) A volleyball player drops the ball of mass 425 g with the velocity of 32 m/s from a height of 10 m from the ground floor. After colliding with the floor it moves with the velocity of 36 m/s, making angle of 30 degree with the horizontal floor. Calculate the magnitude and direction of impulse act during the collision.
Two blocks, M=8.00 kg and m-2.00 kg are touching and moving across a rough floor (Uk-0.12 at a speed of 4.0 m/s when a force acts on the blocks as shown. The force FO= 68 N directed 52 degrees below the horizontal, as shown. The two blocks are touching so the system can be treated as a single 10.0 kg block which we will call MT. This will apply for questions 13 thru 18.
50. (I) Find the center of mass of the three-mass system shown in Fig. 7-37 relative to the 1.00-kg mass. 1.50 kg 1.10 kg 1.00 kg K 0.50 m FIGURE 7-37 0.25 m Problem 50.

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