Mr. Mangan is flying due north with a velocity of 150 m/s relative to the ground, into a west-bound wind blowing at 80 m/s. With what velocity relative to the earth is he flying?
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- A wind is blowing at a speed of 38 km/h in a direction 40° North of East. The eastward (X) component of the wind is O a. 31.86 km/h O b. 24.42 km/h O c. 29.12 km/h O d. -13.67 km/h1. A 25-kg projectile is fired vertically upward from the ground, if the velocity is 35m/s at 5m above the ground. Determine the maximum height (from the ground) in meters to which it will travel if a. Atmospheric resistance is neglected. b. Atmospheric resistance is measured a. F,=0.01v (in Newtons), where v is the speed of the projectile at any instant, measured in m/s. (1. A Projectile with a muzzle velocity of 550 m/sec is fired from a gun on top of a cliff 460 m above sea level. If the projectile hits the ocean surface 49.2 seconds after being fired, determine: Draw the figure properly. No figure no point. a. The angle of elevation of the gun; b. The range c. The highest point attained above the cliff. y V, H water surface (w.s.) R
- A ball is thrown horizontally towards the south with initial speed vo from the top of a building of height H located in the northern hemisphere at latitude A. 1. How long does it take for the ball to hit the ground? How far south does the ball travel? What is the lateral deflection of the ball? a. b. c. Your answers should take into account the Coriolis effect, Neglect air reşistance and terms in w?.A jet airliner is moving east at 225 m/s, but experiences a head wind heading north at 50.0 m/s. c) What does it mean to determine the direction of the airliner in a ...right triangle?After spending an entire year together in an apartment, Grover and Elmo have decided to have some extended time apart in different parts of the state. When they get to the airport, they find out that there is a 65.000 km/hr wind that points 55.000 degrees E of S. Grover's plane flies for 75.000 minutes before arriving at his vacation destination, which is 60.000 km W and 150.000 km S of the airport. (a) Find the magnitude and direction of Grover's plane's velocity with respect to Earth in km/h.(b) Find the direction and magnitude of the velocity of Grover's plane with respect to the wind in km/h.(c) Draw a picture showing how the vectors add together graphically for Grover's plane during his trip. Clearly label each vector with its variable name as well as its magnitude and direction. (Hint: Make your picture large enough so that those labels are clearly visible.)(d) The plane that Elmo flew in has an airspeed of 45.000 km/hr. In what direction must the plane point so that it can…
- а. A space craft achieved a maximum speed of 125,000 km/h on its way to photograph Mars. Beyond what distance from the Sun is this speed sufficient to escape the solar system?An F-106 is flying from Minneapolis, Minnesota, to Charleston, South Carolina, a distance of 1400 n miles. The pilot reads an indicated airspeed of 300 kn at a pressure altitude of 50,000 ft MSL. If position error is negligible, what is the aircraft's true airspeed? If it is flying in a 50-kn tailwind, what is the plane's ground speed, and how long will the 1400-n mile flight take?E14. A ball rolls off a table with a horizontal velocity of 5 m/s. If it takes 0.6 seconds for it to reach the floor, a. What is the vertical component of the ball’s velocity just before it hits the floor? (Use g = 10 m/s^2 .)b. What is the horizontal component of the ball’s velocity just before it hits the floor?
- 3.48 The sphere of diameter D of Fig. P3.48 is traveling with a velocity V of 1.2 m/s in 20°C atmospheric air. If Re = VD/v is less than 4 × 10“, the boundary layer around the front of the sphere is completely laminar. Determine if the boundary layer is com- pletely laminar on a sphere of diameter: (a) 1 cm (b) 1m Boundary layer V Fig. P3.483. A tennis ball is hit into the air and moves along an arc. Neglecting air resistance, a. for horizontal motion, where along the arc is the speed maximum? How about minimum speed, where? Justify your answer. b. For vertical motion, where along the arc is the velocity maximum? How about minimum velocity, where? Justify your answer.A plane is traveling straight east at a speed of 400 km/hr. Then a wind traveling 100 km/hr blowing straight south starts. Draw a picture representing this problem. What direction and how fast will the school lane be going?
