A 7.00 g bullet, when fired from a gun into a 1.00 kg block of wood held in a vise, penetrates the block to a depth of 6.40 cm. This block of wood is next placed on a frictionless horizontal surface,and a second 7.00 g bullet is fired from the gun into the block. To what depth will the bullet penetrate the block in this case?×Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. cm

x=0.0636m, the depth the bullet penetrate the blockExplanation:Given:mass of bullet, m=7.00gdepth…

Answered: A 7.00 g bullet, when fired from a gun…

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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Q.2. When an oblique shock strikes a solid wall, it reflects as a shock of sufficient strength to cause the exit flow M3 to be parallel to the wall, as in the figure. For airflow with M1 = 2.5 and p1 = 100 kPa, compute M3, p3 and the angle Ø. M2 M, = 2.5 M3 40°
Water is ejected from the water nozzle with a speed v0 = 47.5 ft/sec. For what value of the angle θ will the water land closest to the wall after clearing the top? Neglect the effects of wall thickness and air resistance. What distance x to the right of point B does the water land?
6
Two solid metal balls, M1 = 40 g and M2 = 60 g, are each suspended from 32 cm long chords in a Newton’s Cradle type arrangement as shown in the figure above. The lighter ball is pulled away so that it makes a 57 degrees angle with respect to the vertical and then released. a) What is the maximum angle the heavier ball will make with respect to the vertical after the collision? b) What is the maximum angle the lighter ball will make with respect to the vertical after the collision?
A 16 cm diameter Styrofoam ball (p = 0.3 g/cm³) is released from the bottom of a tank filled with an unknown liquid. If the terminal speed of the ball is 1.66 m/s, what is the density of the liquid? The drag coefficient of the ball is 0.50. O 0.23 g/cm3 O 0.45 g/cm³ O0.88 g/cm3 O 0.18 g/cm3
When an inelastic material is in a collision, (A) the work done to deform the material is equal to the work done to return the material to its original shape. B the work done to deform the material is equal to the increase in the system's total kinetic energy. C some of the work done to deform the material is converted to other forms of energy. No answer the work done to deform the material is equal to the work the material does to other objects in the E collision.
Problem6 When a viscous fluid flows parallel to a horizontal plate, it leads to the development of a thin boundary layer on the plate surface. The velocity within the boundary layer varies with the vertical direction as u(y) = US where 8(x) = 3.5 VX/Uis the boundary layer thickness vx 8(x) that increases with the horizontal position. Outside of the boundary layer, the flow is uniform and equal to the free stream velocity U... Show that for two fluids of different viscosities (₁, ₂) and densities (P₁, P2) and flowing at the same free stream velocity, the ratio of the drag force they generate on the plate is proportional to the square root of the ratio of the viscosities and densities: FD2 FD1 = H₂P2 M₁P₁
Two pieces of paper hang side-by-side about an inch apart. Suppose that someone blows straight down the gap in between the pieces of paper. In which direction will the bottom ends of the papers move (left/right/toward each other/away from each other)? Justify your answer.
J3
The stream function for a fluid flow is given as w(x,y) =20 In(x2 + y) Its velocity potential is O 0- 40 tan O None from these answers 0= - 40 tan $=-40 tan" 00=40 tan(xy) 40 tan
A cannon is sitting in a boat which is floating in a small pond. You attach one end of a chain to the boat and the other end of the chain to the cannon and throw the cannon out of the boat. The cannon hangs from the boat without touching the bottom of the pond. The water level on the sides of the lake when the cannon is hanging from the boat is ___________ when the cannon was inside the boat. A. exactly the same as. B. a little lower than C. a little higher than
Consider the following section of pipe. The velocity of water (Pwater h₁ m S V₁ = 2.9 h₁ = 3.2 m V₂ = 6.7 h₂ = 1.9 m m S Point 1 = 1000 kg ) and height are given for two different points in the pipe. Use this information to answer the following questions. m What is the ratio of the cross-sectional area at point 1 to the cross-sectional area at point 2? A₁ A₂ What is the difference in pressure between points 1 and 2? (Find P2 - P₁. Include a negative sign if that's what you calculate.) P2 - P1 = Pa Which direction is the water flowing through the pipe? Point 2 h₂

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