A coin was tossed vertically straight upward with initial velocity 8.7 m/s. As the coin reaches maximum height, what is its acceleration? Select one: O a. 9.81 m/s^2 O b. 42.6735 m/s^2 O c. 0 m/s^2 O d. 85.3470 m/s^2
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- A speedboat moves on a lake with initial velocity vector vx = 8.65 m/s and vLy = -2.21 m/s, then accelerates for 6.69 s = 0.107 m/s². What are the components of the speedboat's final %3D at an average acceleration of aav.x = -0.108 m/s² and aav.v velocity, v2.x and v2.y? m/s U2,x m/s U2,y Find the speedboat's final speed. m/s final speed: IIA plane travels N 30o W at an air speed of 600 kph. If the wind has a speed of 80 kph on a direction of N 40o E. What is the direction of the plane relative to the ground?a. N 23o 10' Wb. N 33o 40' Wc. N 51o 20' Wd. N 35o 12' WA bird flies at 8.00 km/hr @20o N of W relative to the wind. The wind blows 5.00 km/hr @70o S of E relative to the ground.a. What is the velocity of the bird in component form?b. What is the velocity of the bird in magnitude-direction form?
- 1. A velocity vector has components vx = -36 m/s and vy= 22 m/s What is magnitude this velocity vector? A.. 58 m/s B 42 m/s C. 32 m/s D. 14 m/s E. 7.2 m/sA. 53.76 s D. 64.87 s B. 48.63 s E. 65.66 s C. 60.00 s F. 74.72 s 1--1 IXXKI Within the jet stream, a plane flies 200 m/s at 18° South of West. The jet stream itself is moving 120 m/s due North. Find the velocity of the jet relative to the ground. 6. magnitude A. 198.9 m/s B. 163.9 m/s 131.4 m/s 201.5 m/s 266_m/s C. 312.7 m/s 1--1 direction A. 18.5° N of W D. 17.01° N of W B. 23.12° N of W E. 29.54° N of W C. 22.93° N of W F. 33.97° N of W 1--1 IVOLG A river has a 6.5 m/s current due East. With respect to the water, the boat's velocity is 16 m/s at 84° north of east. What is the velocity of the boat relative to the Earth? (State the angle relative to due East.) 8. magnitude 17 99 m/s D 2762 m/s MacBook Pro 7. DEE E.9.11 m/s and v1.y = -2.65 m/s, then accelerates for 6.65 s at A speedboat moves on a lake with initial velocity vector v1.x = -0.103 m/s² and aav,y = 0.104 m/s?. What are the components of the speedboat's final an average acceleration of aav.x velocity, v2,x and v2.y? m/s U2,x m/s U2.y Find the speedboat's final speed. m/s final speed:
- + v = 0 m/s A coin was tossed vertically upward with initial velocity of 36.5 m/s. As the coin goes downward, find its velocity when it is midway from the maximum height to the ground. Select one: Oa. -21.2057 m/s O b. 44.7032 m/s O c. -25.8094 m/s O d. 25.8094 m/sH.W: A ball is thrown with an initial speed vgat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vox 32m from the base of the building. Find vo and 0 Ans. 0 = –37.32vo = 20. 1m/s 44 oy 32A car is moving along a straight road with an initial velocity of v;=12 m/s and an acceleration, a=3 m/s. What is the distance traveled (in m) after t=9 s? A. 918 B. 459 C. 229.5 D. None E. 688.5 Next page to search ASUS 近
- 9.01 m/s and v1.y = -2.49 m/s, then accelerates for 5.51 s at an average acceleration of aavx = -0.102 m/s? and aavy = 0.104 m/s?. What are the components of the speedboat's final velocity, A speedboat moves on a lake with initial velocity vector vIx v2.x and v2.y? U2.x 8.45 m/s U2.y -1.92 m/s Find the speedboat's final speed. 4.76 final speed: m/s Incorrect ||Completion Status: A Moving to the next question prevents changes to this answer. Quèstion 1 1.25 p A projectile is fired with an initial speed Vo = 20 m/s at an angle of 37° above the horizontal, as shown in the figure. What is its velocity (in m/s) at the highest point? 37 R O a. v = 16i O b. v = 0 Oc.v 12j O d. v = 12i - 16j O e. v = 16i +12j1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.