An object is launched at a velocity of 50 m/s in a direction making an angle of 60° upward with the horizontal. What is the horizontal range (maximum x above ?ground) of the object 108 m O 216m C 375m O
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- In 1999, Robbie Knievel was the first to jump the Grand Canyon on a motorcycle. At a narrow part of the canyon (69.0 m wide) and traveling 35.8 m/s off the takeoff ramp, he reached the other side. What was his launch angle?H.W: An object is thrown horizontally at 20m/s from a cliff top 45m above sea level. Find (a)the time to land; (b)the angle at which it hits the water; (c)the speed at which it hits the water. Ans. (a)3.03s (b)Ø = –54. 73 (c)35.79m/sA person starts from his home and walks the following distances: i) 1500 yards, 50° N of E ii) 1800 yards, 50° W of N ii) 1000 yards, due south. What direction is the person relative to his home? O 38° S of E O 55° N of W O 42° S of W O 27° E of S O 72° N of W Save for Later Submit Answer W 版 )l ASUS prt sc sysro 18 f12 pause break delete home O/R
- b. Prove that, the range, R the time of flight, T and the Maximum height, H by a projectile are respectively given by; vỷ sin² e R = (5/g) sin20 , T = (2v,sin®), and H = 2gMr. Brown takes a walk in the park. He first travels 600. m NW and then turns and walks 800. m @ 20.0° WoS. What is his overall displacement of his walk? Use the triangle method to solve this. Should you use the component method, I will award zero points. I know the answer, I just don’t know how to get it. Answer: 771 m @ 25.1° SoW Thanks!!A ball is thrown at an initial height of 65 feet at an initial velocity of 75 feet/second at an angle of 65 degrees. Given the parametric equations yY = - - 16t + Vo · Sin(0)t + ho and x = Vo Cos(0)t. When doing calculations, carry 5 digits of accuracy, so your round off does not build up. a. What is the ball's height in 3 seconds? feet. seconds. b. When will the object hit the ground? feet. c. How far horizontally will the ball be when it hits the ground? seconds. d. When will the ball be at its maximum height? e. What is the ball's maximum height? feet. feet f. How far horizontally will the ball be when it reaches its maximum height?
- dsOne morning, Cosdnnie walks from her house to go to a store that is 500 ft, S 40o W from her hdouse. She starts walking 120 ft, SW; then continues walking 100 ft, 10o S of E; then sees a friend who is 700 ft, 30o N of E from where she isdasd. From her friend’s location, how far ansd in what direction should Connie waldk to finally get to the store? (Ans. 1133.08 ft, 33.83o S of W)show complete solution and diagramArvin the Ant is on a picnic table. He travels 30 cm northeast, then 25 cm due north, and finally 15 cm west.. What is the direction of Arvin’s net displacement?A small aircraft for one person is used on a short horizontal flight. On its journey from A to B, lhe resultant velocity of the aireraft is 15 m s in a direction 60° east of north and the wind velocity is 7.5 ms due north. N 4 60 A Figure 1.20 Show that for the aircraft to travel from A to B it should be pointed a due east. b After flying 5 km from A to B. the aircraft returns along the same path from B to A with a resultant velocity of 13.5ms-. Assuming that the time spent at B is negligible, calculate the average speed for the complete journey from A to B and back to A. B.
- Problem 1:A man sailing a boat follows the directions to a dock. The instructions stated that he hasto sail 25.0 m in a direction 60º E of N from his starting location, and then sail additional35.0 m in a direction 50º E of S. How far will he be from his starting point?Problem 2:Suppose a pilot flies 15.0 km in a direction 60º N of E and then flies 30.0 km in a direction15º N of E. Find the total distance R from the starting point and the direction θ of thestraight-line path to the final position.In the process of delivering mail, a postal worker walks 161 m, due east from his truck. He then turns around and walks 194 m, due west from his truck. What is the worker's displacement relative to his truck? OA. 33 m, due east B. 33 m, due west C. 355 m, due west D. 194 m, due west E. 252 m, due east ColoctionA particle is fired straight into the air at 30 m/s. Where is the particle located (in meters) after 1.7 seconds? O 42.6 O 36.8 O 54.4 O 65.2 P Question 12 Consider a right triangle of interior angles A and B. The opposite side of angle A has a length of angle 5. If the hypotenuse has a length of 10, the value of angle B is V75 B- tan 10 VIS sin 10 B- sin ) B=COS 10