Assuming negligible atmospheric triction, a launched projectile has a parabolic path, as shown above. Point Q is the path peak and Points Pand Rare at the same altitude. Identity the correct relationship of the projectile speeds at the three points. OA vp VR < va OB vo < VR vp Oc vgs vp = VR
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- An aircraft performs a maneuver called an aileron roll. During this maneuver, the plane turns like a screw as it maintains a straight flight path, by using its ailerons to set the wings in circular motion. If it takes the plane 35s to complete the circle and each wing length is 4.6m, what is the acceleration of the wing tip? O A. 0.69 mis? OB.0. 15 m/s? OC14 mis? OD.6.7 mis?Question A5 A projectile is thrown from the ground with a speed of 30 m-s¹ at an angle of 35° from the horizontal. Calculate the height of the projectile from the ground when its speed is 18 m-s-¹. Ignore air resistance.A rugby player attempts a kick after scoring a try. The ball was kicked at an angle of 60° with an initial resultant velocity of 40 mi/h (ignoring air resistance). a. What was the initial horizontal velocity in m/s? b. What was the initial vertical velocity in m/s? C. If the player was 40 m away from the goal, and the height of the horizontal bar was 3 m, did the player score? Assume that the trajectory of the ball was on target.
- A TI Yo Ac As Inv Eva Knc need to: 1. Ignore air resistance when answering all parts of this question. a. A golf ball is hit at 60.0° to the horizontal with an initial velocity of 1.50 x 102 ms¹. It lands at the same height from which it is hit. i. Show that the initial vertical velocity of the ball is 1.30 x 102ms¯ (1) 1/2 ii. Find the time of flight of the golf ball. iii. Calculate the range of the ball. KA1 (1) KA2 (3) KA2 (2) b. A baseball is hit at the same angle and initial speed as the golf ball in part a. However, its initial height is 1.3m above the ground. Explain why the baseball will travel further than the golf ball from part a.At the beginning of a 3.0-h plane trip, you are traveling due north at 192 km/h. At the end, you are traveling 239 km/h in the northwest direction (45° west of north). a. Which of the following are the initial and final velocity vectors? SEE ATTACHMENTS b. Find the magnitude of the change in velocity. anser in km/h c. Find the change in direction of your velocity. Enter the angle in degrees where negative indicates north of west and positive indicates south of west. answer in degrees d. What is the magnitude of your average acceleration during the trip? answer in km/h^2In a science experiment, a test object us launched by accelerating it along a 200-meter incline at 1.25 m/s^2 starting from rest at the bottom point of the incline (Point Q). The incline is measure 35° from the horizontal, and the instant the object leaves the incline, the gears were turned off. Ignoring air resistance. A. Compute the maximum height above the ground that the object reaches. B. What is the maximum range of the object beyond Point Q?
- A golf ball is driven with the initial conditions shown in the figure. If the wind imparts a constant horizontal deceleration of 3.1 ft/sec², determine the values of r,r,r,0,0, and when t - 1.07 sec. Take the r-coordinate to be measured from the origin. Answers: r- 7 ! 0- 0- 0- i i i i i i 129 mi/hr 80 = 27° ft ft/sec ft/sec² rad/sec Wind rad/sec²Hannah fires a potato from a cannon at the top of a 60.0 m high cliff with a velocity of 25 m/s [53° above horizontal]. a. Find the maximum height it can reach above the ground. b. Find the impact velocity.A rock is thrown off a cliff at an angle of51ºwith respect to the horizontal. The cliff is 110 m high. The initial speed of the rock is 30 m/s. a.How high above the edge of the cliff does the rock rise? b.How far has it moved horizontally when it is at maximum altitude? ( c.How long after the release does it hit the ground? d.What is the range of the rock? e.What are the horizontal and vertical positions of the rock relative to the edge of the cliff att= 2.0 s,t= 4.0 s, andt= 6.0 s?
- The problem relates to the gliding flight of flying squirrels. These squirrels glide from tree to tree at a constant speed, moving in a straight line tipped below the vertical and steadily losing altitude as they move forward. Short and long glides have different profiles. A squirrel in a typical long glide covers a horizontal distance of 16 m while losing 8.0 m of elevation. During this glide,a. What is the angle of the squirrel’s path below the horizontal?b. What is the total distance covered by the squirrel?An archer fires an arrow from a height of 1.80 m with a velocity of 25.4 m/s, 41.0° above the horizontal. a. Find the maximum height the arrow will reach. b. Find the distance from the archer's feet where the arrow will hit the ground. c. Determine the angle at which the arrow will hit the ground.4. Lawrence loves to play basketball. As he is about to make a free throw, he shoots the ball ata angle of 45° at 2.7 m/s. The ring is 8.2 m away from Lawrence with a radius of 12.4 cm. Assume that the ring is as high as Lawrence's initial point of release, which is 4 m. Solve the following problems a. Illustrate a diagram of the scenario b. Compute for the components of velocity. C. Compute the half time of flight. d. Compute for the maximum height. e. Find the range of the trajectory. noo aleig to eainso f. Did Lawrence's shot reach the ring?