The trajectory of water is shown in the following figure. Determine at what point, relative to point B, the water lands. A e= 40 degree Initial velocity = 45 ft/s B. 60 ft
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- Vo The diagram on the above shows the initial velocity of an object. The magnitude of the initial velocity is vo = 40 m/s. The angle is 0 = 30 degrees. What are the x and y components of the velocity? %3D A. -20.0 m/s, -34.6 m/s B. -20.0 m/s, 34.6 m/s С. 20.0 m/s, -34.6 m/s D. 34.6 m/s, 20.0 m/s E. 34.6 m/s, -20.0 m/sA projectile is launched from the ground with an initial velocity of 60.0 m/s at an angle of 30.0º above the horizontal axis. Determine the horizontal distance that the projectile falls. A. 160 m B. 152 m C. 318 m D 184 mSame object is first released from h and strikes the ground at the distance d, if it is released now form 2h it will strike the ground at: A. d B. √2 d C. 2d D. 4d
- When there is no air resistance what best describes the vectors of a projectile in motion: a.The acceleration vector and velocity vector are both constant magnitude. b.The acceleration vector is constant magnitude and perpendicular to the trajectory. The velocity vector is at a tangent to the trajectory c.The acceleration vector is constant and points straight down. The velocity vector is perpendicular to the trajectory d.The acceleration vector is constant and points straight down. The velocity vector is at a tangent to the trajectoryA ball is kicked at an angle of 55 with initial velocity of 40 m/s. A. Find the time it takes to reach the maximum height B. Find the maximum height C. Find the horizontal distance covered by the ball after landing.phy
- A river flows due south with a speed of 2.8 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.9 m/s due east. The river is 600 mm wide. a-What is the magnitude of his velocity relative to the earth? b-What is the direction of his velocity relative to the earth? c-How much time is required to cross the river? d-How far south of his starting point will he reach the opposite bank?4-Flight of a golf ball A golf ball is driven down a horizontal fairway withan initial speed of 55 m/s at an initial angle of 25° (from a tee with negligible height). Neglect all forces except gravity, and assume the ball’s trajectory lies in a plane.a. When the ball first touches the ground, how far has it traveled horizontally and how long has it been in the air?b. What is the maximum height of the ball?c. At what angles should the ball be hit to reach a green that is 300 m from the tee?
- a. Find the Range and Maximum Height of a projectile launched at 4.5 m/s t an angle of 300. Find the Range and Maximum Height of a projectile launched at 4.5 m/s t an angle of 600. Discuss any similarities between a. and b.In the narration below, what is the direction of the resultant displacement of the student? Ā = 175 km 30° N of E B = 150 km 20° W of N C = 190 km due west A. Due west. B. 11.56° N of E. C. 21.45° N of W. D. 48.89° N of E. E. 68.55° N of W.I threw a rock into a quarry horizontally 30 m/s. The quarry was 80 meters deep. How far did it go horizontally? A. 144 m B. 80 m C. 40 m D. 120 m