A skier is travelling horizontally across frictionless snow at 10 m/s. He goes up an also frictionless slope and his speed drops to 5 m/s at the top when he resumed moving horizontally. How high did he go?
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A skier is travelling horizontally across frictionless snow at 10 m/s. He goes up an also frictionless slope and his speed drops to 5 m/s at the top when he resumed moving horizontally. How high did he go?
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- A block of mass m = 3 kg starts to slide from rest along a frictionless inclined surface thatmakes an angle of φφ = 300with respect to the horizontal surface.At the lowest points of the inclined surface, a projectile is fired at a speed of vv0 = 12 m/s thatmakes an angle θθ0 = 450 with respect to the horizontal. Our aim of this problem is to find thetime when the projectile will hit the block.A space shuttle with a mass of 189 kg is fired upwards from the earth's surface, at the equator, at a speed of 9.94 · 103 m/s. If there was no air resistance, how high would the shuttle reach if it went straight up?And arrows shot horizontally from the height of 4.9 m above the ground the initial speed of the arrow is 45 Meters per second neglecting friction how far away from the archer will the arrow to hit the ground
- Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 8.06 m/s, while the second lands at a speed of 8.41 m/s. The first vaulter clears the bar at a speed of 1.23 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears the bar.The skateboarder starts down the left side of the ramp with an initial speed of 6.3 ft/s. If nonconservative forces, such as kinetic friction and air resistance, are negligible, what would be the height "h" of the highest point (in meters) reached by the skateboarder on the right side of the ramp?Just need questions C and D answered. Thanks A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 19.5 m/s. The cliff is h = 56.0 m above a flat, horizontal beach as shown in the figure. A student stands on the edge of a cliff with his hand a height h above a flat stretch of ground below the clifftop. The +x-axis extends to the right along the ground and the +y-axis extends up from the ground to the top of the cliff. The origin O of the coordinate plane is directly below the student's hand where the base of the cliff meets the flat ground. The student throws a stone horizontally rightward with initial velocity vector v0. The stone falls with a parabolic trajectory, hitting the ground with a velocity vector v that points down and right. Vector g points straight down. (a) What are the coordinates of the initial position of the stone? x0 = 0 m y0 = 56.0 m (b) What are the components of the initial velocity? v0x = 19.5…
- A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 16.5 m/s. The cliff is h = 58.0 m above a flat, horizontal beach as shown in the figure. A student stands on the edge of a cliff with his hand a height h above a flat stretch of ground below the clifftop. The +x-axis extends to the right along the ground and the +y-axis extends up from the ground to the top of the cliff. The origin O of the coordinate plane is directly below the student's hand where the base of the cliff meets the flat ground. The student throws a stone horizontally rightward with initial velocity vector v0. The stone falls with a parabolic trajectory, hitting the ground with a velocity vector v that points down and right. Vector g points straight down. (a) What are the coordinates of the initial position of the stone? x0 = m y0 = m (b) What are the components of the initial velocity? v0x = m/s v0y = m/s (c) Write the equations for the x- and…A helicopter is traveling at 50m/s at a constant altitude of 150m over a level field. If a wheel falls off the helicopter, with what speed will it hit the ground? (g=9.8m/s^2 and air resistance negligible)A skier is at the top of a hill with height h. Starting from rest, the skier goes down to a flat area. On this flat area, there is a section of the slope with length D where the snow has melted (there is friction here). After passing the melted section, the skier goes up a smaller hill of height h2. At the top of this hill there is a drop off and the skier launches off of it with a horizontal speed. At what horizontal distance from the base of the jump does the skier land?
- You stand still and throw a ball straight upwards with an initial speed of 7.50 m/s. You then repeat this experiment while on a moving sidewalk that is moving horizontally with a speed of 0.500 m/s. How high does the ball go?A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 14.0 m/s. The cliff is h = 29.0 m above a flat, horizontal beach as shown in the figure. A student stands on the edge of a cliff with his hand a height h above a flat stretch of ground below the clifftop. The +x-axis extends to the right along the ground and the +y-axis extends up from the ground to the top of the cliff. The origin O of the coordinate plane is directly below the student's hand where the base of the cliff meets the flat ground. The student throws a stone horizontally rightward with initial velocity vector v0. The stone falls with a parabolic trajectory, hitting the ground with a velocity vector v that points down and right. Vector g points straight down. (a) What are the coordinates of the initial position of the stone? x0 = m y0 = m (b) What are the components of the initial velocity? v0x = m/s v0y = m/s (c) Write the equations for the x- and…a jogger runs 400m 40.0 degrees N of E, 2.00m east, 5.20m 30.0 degrees S of W, 6.50m S, and then collapses. find the horizontal and vertical components in the problem.