1. The barrel of the rifle shown is aimed at point A. The distance 8 is the space between points A and B, which the bullet strikes the wall at point B. If the muzzle velocity is 600 m/s. Determine the distance 8, if the constant gravitational acceleration is given as g=8.6 m/s² (4 points) If the bullet is forced to strikes the wall at point O by applied the wind, causing a constant acceleration of a=105.45 m/s². Determine the direction O of the wind, where the effect of gravitational acceleration of g=8.6 m/s² still exists. (6 points) a=105.45 m/s B 20° Horizontal 1000 m

1. The barrel of the rifle shown is aimed at point A. The distance 8 is the space between points A and B, which the bullet strikes the wall at point B. If the muzzle velocity is 600 m/s. Determine the distance 8, if the constant gravitational acceleration is given as g=8.6 m/s² (4 points) If the bullet is forced to strikes the wall at point O by applied the wind, causing a constant acceleration of a=105.45 m/s². Determine the direction O of the wind, where the effect of gravitational acceleration of g=8.6 m/s² still exists. (6 points) a=105.45 m/s B 20° Horizontal 1000 m

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.47P: A rifle at A is fired at a target at B. If the speed of the bullet is 1400 ft/s, determine the...

See similar textbooks

Similar questions

4. 3) The hydraulic cylinder D extends, moves the rigid rod ABC, and causes the collar A to move with velocity and acceleration both to the left. If the dimensions/₁ 1.1 ft, and /2 = 2.2 ft, vµ = 5.8 ft/s, aµ = 1.2 ft/s², and the angle 0 = 32°, determine the speed of point C. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. 1₁ D Your Answer: Answer B ● 12 units A ·V =
The 32000-lb airplane is flying in the vertical plane at 410 ft/s. At the instant shown, the angle = 30°, and the cartesian components of the plane's acceleration are ax = -4 ft/s², ay = 35 ft/s². Figure 1 of 1 0 ·x Part A What are the tangential and normal components of the total force acting on the airplane (including its weight)? Enter your answers numerically separated by a comma. VE ΑΣΦ ↓↑ vec Ft, Fn = Submit Request Answer Part B What is de/dt in degrees per second? (Figure 1) de/dt = Submit VE ΑΣΦ Request Answer ↓↑ vec ? ? lb °/s
3. The hydraulic cylinder C extends and causes the collar A to move and accelerate to the left. 3) If the length /= 1.5 ft, the angle = 33°, the linear velocity of collar A, VÀ is 5.5 ft/s, and the linear acceleration of collar A, a is 3.1 ft/s², determine the magnitude of the angular velocity, WAB, of rod AB. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. X Your Answer: Answer k Ө units VA as ←
4. 3) The hydraulic cylinder D extends, moves the rigid rod ABC, and causes the collar A to move with velocity and acceleration both to the left. If the dimensions 4 = 1.0 ft, and 2 = 1.6 ft, VA = 3.6 ft/s, aa = 2.2 ft/s2, and the angle 0 = 27°, determine the speed of point C. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. %3D В 12 D Your Answer: Answer units 1,
4. Car A is accelerating in the direction of its motion at the rate of 4 ft/sec². Car B is rounding a curve of 440-ft radius at a constant speed of 44 ft/s. Find the vectors and magnitude of (a) velocities Vgand vg and (b) acceleration a gand aglike we did in our class. Determine the (c) velocity VB/A and (d) acceleration aB/A and which car B appears to if car A has reached a speed of 66 ft/s for the positions represented. y x- 30 440 NOT allowed to use Chegg or other such websites. L e Type here to search Lenovo F11 F9 F10 F7 F8 F6 区 F1 F5 Esc F3 F4 F2 FnLock & %23 4 5 7 00 %24
The hinged rod is rotating counterclockwise at a rate of 1rad/s. The slider moves with respect to the rod at a rate of 1m/s in the direction shown. At this moment, the slider is located 1m from the rod's hinge, and the rod is at the angle shown. Find the x component of the slider's total velocity. 35° 1 m/s 1 radis X Answer(s):
Q2: The speed of a car increases uniformly with time from (70 km/h) at A to (120 km/h) at B during (15 sec). The radius of curvature of the hump at A is 40 m. If the magnitude of the 0.6 m total acceleration of the mass center of the car is the same at B as at A, PH compute the radius of curvature pe of the dip in the road at B. The mass 40 mm center of the car is 0.6 m from the B road.
The 0.5-lb projectile A is subjected to a drag force of magnitude kv2, where the constant k = 0.0003 lb-sec²/ft2. This drag force always opposes the velocity v. At the instant depicted, v = 210 ft/sec, 0 = 41°, and r = 495 ft. Determine the corresponding values of r and 0. y | ku² Answers: i M. 0 = i 0 T A V 170 --x ft/sec² rad/sec²
2/149 A jet plane flying at a constant speed v at an alti- tude h = 10 km is being tracked by radar located at O directly below the line of flight. If the angle 0 is decreasing at the rate of 0.020 rad/s when e= 60°, determine the value of r at this instant and the magnitude of the velocity v of the plane. Ans. i 4.62 m/s?, v = 960 km/h h Problem 2/149
4. 4) The hydraulic cylinder Dextends, moves the rigid rod ABC, and causes the collar A to move with velocity and acceleration both to the left. If the dimensions/₁ 1.0 ft, and /2 = 2.0 ft, vµ = 5.5 ft/s, aµ = 2.1 ft/s², and the angle 0 = 30°, determine the angular acceleration (in rad/s²) of rod ABC. Negative sign must be included if the angular acceleration is clockwise. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Your Answer: 1₁ Answer B 12 ÏÏ a =
4. Two cars A and B are travelling in the same direction at SLEX. Car A is traveling at a constant velocity of 60 m/s while car B at 70 m/s. Find the distance between them 10s after the instant that they are 100 m apart.
3. Magnetic tape is being transferred from reel A to reel B and passes around idler pulleys C and D. At a certain instant, point P1 on the tape is in contact with pulley C and point P2 is in contact with pulley D. If the normal component of acceleration of P1 is 40 m/s2 and the tangential component of acceleration of P2 is 30 m/s2 at this instant, compute the corresponding speed of the tape, the magnitude of the total acceleration of P1 and the magnitude of the total acceleration of P2. P, 50 mm 100 mm A.