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- 8. A gun is fired to the air in 25o angle. If the initial velocity of the bullet 8 m/s, what is the distance it travelled from its initial point? What is the time it takes to hit the ground?A projectile is fired from the top of a cliff 100m high with a velocity of 450 m/s directed at 45 degrees to the horizontal. Based from this problem, find the value of vy. A. 350.500m/s B. 450m/s C. none D. 318.200m/s E. 275m/s3. 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 ?
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- 3. A projectile is launched at an elevated target with an initial velocity of of vo = 200 m/s in a direction making an angle of 30 degrees from the horizontal. Vo=200 m/s 500 m 30 R a. Determine the time of flight from A to B. b. Determine the range R. c. Determine the impact velocity at the target.2. A rock is launched with an initial velocity of 60 m/s at a certain angle abo horizontal reaching a horizontal distance of 200 meters. Determine the launching angle an time of flight.1110. 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.