3. A 2kg owl jumps directly upward into the air with a speed of 5m/s, but a wind is blowing which exerts a 6N force on the ball to the right. How far away does the owl land? Ax Vi Vf a At 6N 5m/s
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- Thank you3. from a 7.5 m high rock with a speed of 3.om/s. How far from the base of the rock will she land ? 2 3 36.6 m/s at an angle of 42.2 above the horizontal 3.2. A ball thrown horizotally at 12.3 ms from foot a fose of the tailding. How high is the building? 3.09. A projectik is fired with an initial speed of long Hat hring range. Determine (a) the Maximum height stuche'd by the projectile (6) the Itotal time in the air (c) the total horizontal distance Covered that is the range). and (d) the speed of the projectile 1.50 s after hiring ? 3. 09 - A shot-putter throns the "shot". (mossa 7.3 kg) with an initial speed of 14.4 m/s lata 24.0° angle to the horizontal calonlate the horizontal distance traveled by the shot it it leaves the athlete hands at a height of d. 10 m above the 4 니 ) ground. a rocky ridge 235 on telen A rescue plane wants to drop supplies to isolated mountain climbers on 5 (69.4 m/) how for in advance of the recipients (horizontal distance) must the goods be dropped ?Situation t1- A projectile is fired with an imitial velocity 4 320% at an argle 4 sd with the horizontal. Reg'd. a-Position y A ard h, at the 'erd of the projectile 6-Velscity ard direction 4 the tion af the erd f 105. Vo-320m/s
- 2. A pool ball rolls off a flat table with a speed of 8m/s. The ball lands 3m from the base of the table. How tall is the table? Ax Vi Vf a At X y*64. A jetliner can fl y 6.00 hours on a full load of fuel. Without any windit fl ies at a speed of 2.40 3 102 m/s. The plane is to make a round-trip byheading due west for a certain distance, turning around, and then headingdue east for the return trip. During the entire fl ight, however, the planeencounters a 57.8-m/s wind from the jet stream, which blows from westto east. What is the maximum distance that the plane can travel due westand just be able to return home?H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vor 32m from the base of the building. Find vo and 0 Ans. 0 = -37.32v, = 20. 1m/s 32
- 4. An object was projected from a 100 m height location (point A), with the initial horizontal velocity Vix at 2.0 m/s and the initial vertical velocity Viy at 0 m/s. 100 O Vis B m/s²) a. What was the time for the object to travel in the air before hitting the ground at point B? (g = 9.818. Two stones of the same weight are projected from the ground with the same speed. Thefirst stone is to be launched at an angle of 45o and the second stone is to be launched at anangle of 15 o. What then would be the ratio of the range of the first stone to the secondstone?A. 2:1B. 1: 2C. √3 : 2D. √2 : 3H.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 32
- H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point Vor 32m from the base of the building. Find v, and 0 Ans. 0 = -37.32v, = 20. 1m/s %3D 44yAn airplane heads due east at 110 m/s through a 25 m/s cross wind blowing from north to south. The resultant velocity of the airplane is a. 112.805 m/s, 12.80° south of east O b. 135 m/s, 12.80° south of east O c. 112.805 m/s, 12.80° east of south O d. 85 m/s, 12.80° south of east If a vector Á has components Ax = -2 and A, = +3, then A lies in the O a. 4th quadrant O b. 1st quadrant O c. 2nd quadrant O d. 3rd quadrantIn an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind shifts a great deal during the day, and she is blown along the following straight lines: 2.50 km and 45.0 north of west, then 4.70 km and 60.0 south of east, then 130 km and 25.0 of west, then 5.10 km due east, then 1.70 km and 5.00 east of north, then 7.20 km and 55.0 south of west, and finally 2.80 km and 10.0 north of east. Use the analytical method to find the resultant vector of all her displacement vectors. What is its magnitude and direction?