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The crate shown in Fig. 4-60 lies on a plane tilted at an angle
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Figure 4-60
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- caps lock shift fn N Tee I 4.9m D X H A golfer practicing elevated tee 4.9 m O C L V o 20 ms -1 B Fairway H N J can on a range with an above the fairway Strike a ball so that it leaves the club with a horizontal velocity (at 0°) of 20. m/s. Assume that the acceleration due to gravity is 9.8 m/s and the effects of air resistance and friction. may be ignored unless otherwise stated M K of Hb L How long after the ball leaves the club will it land on the fairway. 2 > [ tionarrow_forward*3-64. If cable AD is tightened by a turnbuckle and develops a tension of 1300 lb, determine the tension developed in cables AB and AC and the force developed along the antenna tower AE at point A. 10 ft B 30 ft 15 ft 12.5 ft Z A E Prob. 3-64 10 ft. D 15 ft yarrow_forward2-106. Express the force F in Cartesian vector form if it acts at the midpoint Bof the rod. 4 m B 4 m F=600 N 3m 6 m 4 m D Prob. 2-106arrow_forward
- 3-8 Determine the magnitude and direction angle of force F4 so that the particle shown in Fig. P3-8 is in equilib- rium. F₁ = 500 N F₂ = 750 N 30° 33° 60° F3 = 1000 N Fig. P3-8 0 F4 Xarrow_forwardA daredevil tries to jump a canyon of width 10 m. To do so, he drives his motorcycle up an indine sloped at an angle of 15 degrees. What minimum speed is necessary to clear the canyon? -10m 15 degreesarrow_forwardA baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of friction.] D) Its vertical speed increases, and its horizontal speed remains the same. E) Its vertical speed increases and its horizontal speed decreases. B) Its vertical speed remains the same, and its horizontal speed remains the same. A) Its vertical speed remains the same, and its horizontal speed increases. C) Its vertical speed increases, and its horizontal speed increases.arrow_forward
- *2-60. Determine the magnitudes of the x, y, z components of the force F. a = 60° F=80 lb B=45°arrow_forwardF2-27. Determine the angle 0 between the force and the line OA. F= 650 N 13 12arrow_forward3-74 A 6-m-high, 5-m-wide rectangular plate blocks the end of a 5-m-deep freshwater channel, as shown in Fig. P3-74. The plate is hinged about a horizontal axis along its od ser edge through a point A and is restrained from open- ing by a fixed ridge at point B. Determine the force exerted on the plate by the ridge. A T 1 m 5 m B cisD FIGURE P3-74 Reconsider Prob. 3-74. Using appropriate soft- ware, investigate the effect of water depth on the force exerted on the plate by the ridge. Let the water depth vary from 0 to 5 m in increments of 0.5 m. Tabulate and plot 3-75 your results.arrow_forward
- Back on Earth, a ball is thrown off a roof top with a horizontal velocity 8 m/s and a downward vertical velocity 5 m/s. It hits the ground 2.2 s later. What is the direction at which the ball hits the ground? Give the angle the velocity vector makes with vertical (straight down = 0° and horizontal = 90°). Use g = 9.8 m/s² if needed and neglect air friction. %3D Read carefully -- there are versions of this question with upward vertical velocity and another with downward vertical velocity.arrow_forwardProblem-6 An egg is thrown horizontally with a speed of 2.5m/s from the top of a 5-story (about 40.m-tall) building. Neglecting wind resistance: (a) How far horizontally from the base of the building does the egg land? mote muillyd dr to sen aytmie los ging my mota il to mdamin del Thage toitini u to llad to boorm a elle noteiinil aostonia odd boo lattial sita wolf (d) (b) What is the speed of the egg at the instantaneous moment just before it hits the ground?arrow_forward2-3. Determine the magnitude of the resultant force FR = F, + F2 and its direction, measured counterclockwise from the positive x axis. F = 250 lb - 30°, 45° F = 375 lbarrow_forward
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