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a projectile is fired from the ground with an initial velocity of 250m/s at an angle of 60 degrees above the horizontal
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- A rocket is launched from Point A with an initial velocity vo of 85 m/s. If the rocket lands a distance L = 65 m from A, determine (a) the angle a that vo forms with the vertical, (b) the maximum height above Point A reached by the rocket. Take B = 50°. Vo [deg). The angle a is(i) A particle is launched into the air from the ground with launch speed 8 m/s. The speed of the particle at maximumheight is 4 m/s. Find a) the launch angle. b) maximum height reached by the particle. c) range of the particle. (ii) In projectile motion, what assumption makes the horizontal speed constant?3.00 m, 37P The three vectors in Fig. 3-31 have magnitudes a = b = 4.00 m, and c = 10.0 m. What are (a) the x component and (b) the y component of ā; (c) the x component and (d) the y com- ponent of b; and (e) the x com- ponent and (f) the y component of ĉ? If & = pā + qb, what are the values of (g) p and (h) q? ilw 30° a Fig. 3-31 Problem 37.
- A projectile is launched vertically from the ground and reaches a height of 28 m. Assuming no wind/air resistance, calculate the velocity, u, of the projectile at the point of launch in m/s. Enter w: m/s. Calculate the time taken to reach the maximum altitude : [ seconds.16) Show that, for a given initial speed, the horizontal range of a projectile isthe same launch angles 45◦+ α and 45◦−α(4) Driving off a cliff. A movie stunt driver on a motorcycle speeds horizontally off a 50.0-m- high cliff. How fast must the motorcycle leave the cliff top to land on level ground below, 90.0 m from the base of the cliff where the cameras are? Ignore air resistance. Write the Formula: Write the numbers inside the Formula: Result + unit: 1
- A rocket is launched from Point A with an initial velocity vo of 85 m/s. If the rocket lands a distance L = 65 m from A, determine (a) the angle a that vo forms with the vertical, (b) the maximum height above Point A reached by the rocket. Take B = 50°. Vo [deg). The angle a is _ (ml. The maximum height isGiven a parametric parabolic trajectory of x = 56t and y = 76t - 4.9t where x and y are measured in meters and t is measured in seconds. 120 m Determine the following 1) the vector of acceleration during the flight, 2) the vector of velocity at O 3) the maximum height h and the range L.At a long distance shooting match, a bullet is fired with a muzzle velocity of 3000 feet per second from a rifle held in the horizontal position. When fired the sights of the rifle was dead center of a target. The bullet strikes the target at 4.00 ft below the center of the target. How long (in seconds) did it take for the bullet to reach the target? How far away (in unit of yards) was the target? Neglect any air resistance to the bullet. Make a simple sketch. Make a list of all given values, units, and the variables they represent. write the general form of the equation you are going to use. Insert the known values and solve. For problems with vertical motion State at the start of the problem which direction is positive by using an up or down arrow. Keep the velocity components and time to 2 decimal places
- If you kick a football, at what angle to the ground should you kick the ball for the maximum range—that is, the greatest distance down the field? At what angle to the ground should you kick the ball for the maximum “hang time”—that is, the maximum time in the air?An object moving in the xy plane with an acceleration vector given by a- (70)i (-90) m т 9.00 s2 and an initial velocity vector given by - (10") (20"); Vo m 13.00- m 22.0 %3D S Determine the velocity of the object when it reaches its maximum y-coordinate. Express your answer in unit vector notation.a Ft 3² from the origin with Vo = -14 ft/s, plot the v-t and x-t curves for 0SEE MORE QUESTIONS