A fighter plane moving 233 m/s horizontally fires a projectile with speed 59 m/s in a forward direction 30.0° below the horizontal. What is the speed of the projectile with respect to a stationary observer on the ground?
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- 3.37 The nose of an ultralight plane is pointed south, and its airspeed indicator shows 36 m/sm/s . The plane is in a 16 m/sm/s wind blowing toward the southwest relative to the earth.1. Letting x be east and y be north, find the components of v⃗ P/Ev→P/E (the velocity of the plane relative to the earth)2. Find the magnitude of v⃗ P/Ev→P/E. 3. Find the direction of v⃗ P/Ev→P/E.A fighter plane moving 211.0 m/s horizontally fires a projectile with speed 47 m/s in a forward direction 30.0° below the horizontal. What is the speed of the projectile with respect to a stationary observer on the ground? a) 240 m/s b) 283 m/s c) 253 m/s d) 278 m/sA particle follows a rectilinear trajectory for 4 seconds, moving from its beginning point (Sa = 8 meters to the left of the origin) to a position (Sb = 9.84252 feet to the right of the origin). After 5 seconds, the particle has moved from (Sb) to (Sc = 6 m to the left of the origin). Calculate the particle's average velocity throughout the course of 9 seconds. a.) 1.2 m/s b.) 222 mm/s c.) 2.22 m/s d.) 0.24 inch/s
- An artillery shell is fired so that its horizontal range is twice its maximum height. At what angle is it fired? Select one: a. 64.5º b. 63.4º c. 60.4º d. 50.4º4/1 An artillery shell is fired so that its horizontal range is twice its maximum height. At what angle is it fired? a. 64.5º b. 63.4º c. 60.4º d. 50.4ºAn observer 160 meters away sees a rocket launch into the air. The rocket reaches its maximum height when the observer is looking at an angle of 75 degrees relative to the ground. What is the approximate maximum height of the rocket's path, in meters? A. 27.3 meters B. 233.3 meters C. 597.1 meters D. 485.3 meters
- At an airport, Anna is stationary, Bert is walking at a speed of 1.0 m/s, Carla is standing while Dodong is walking on a platform that moves with a speed of 2.0 m/s. Anna observes Bert, Carla, and Dodong moving away from her in the same direction. Anna observes Dodong moving away from her at a speed of 3.0 m/s. What is Anna’s velocity relative to the ground or earth?SITUATIONA projectile is fired to the right with a velocity of 50 m/s and inclined at an angle of 30o with the horizontal. Onesecond later another projectile 320 m away is fired to the left. The two projectiles collided at a point midway them. Compute the angle of projection of the second projectile.a. 23.14 c. 27.66b. 20.88 d. 24.54 Determine the initial velocity of the second projectile.a. 52.34 m/s c. 63.54 m/sb. 48.92 m/s d. 72.13 m/s Calculate the vertical distance of the point of collision of the projectiles.a. 25.41 m c. 30.75 mb. 28.57 m d. 34.52 mOne object is fired at an angle of ten degrees above the horizontal. A second object is fired at an angle of ten degrees below the horizontal, and a third is fired in an exactly horizontal direction. All three are fired at the same time, but with different (and nonzero) speeds. Neglect air resistance and assume that the objects are fired over a perfectly level plain. Which of the objects strikes the ground first? A. (a) The one fired at an angle of ten degrees above the horizontal. B. (b) The one fired at an angle of ten degrees below the horizontal. C. (c) The one fired exactly horizontally. D. (d) They will all strike the ground at the same time. E. (e) You cannot tell from the information given. F. (f) None of the answers above is correct.
- As an airplane taxies on the runway with a speed of 16.5 m>s,a flight attendant walks toward the tail of the plane with a speed of 1.22 m>s. What is the flight attendant’s speed relative to theground?A 1.6m-tall basketball player tries to shoot a ball at an angle of 45° to a basketball ring that is 20 m away and 3 m above the ground. If she throws the ball directly over her head, at what speed should she shoot the ball to score? Please include figures or diagrams if applicable thank you so much!Sofia is playing a game with her friend, Kara, where she throwsM&M candies at Kara and Kara catches the M&M’s in hermouth. They begin standing 1.75 meters apart from eachother. Sofia throws the M&M at an angle of 60 degrees abovethe horizontal with a speed of 4.13 m/s. Kara’s mouth is145 cm above the ground when she catches the M&M. Whatheight above the ground did the M&M leave Sofia’s hand?Hint: Remember, even though the motion in the horizontaldirection is independent of the motion in the vertical direc-tion, they share the same time.