An object is launched horizontally from a height of 320 meters at a speed of 20 m/s. Draw a position vs. time, velocity vs. time, and acceleration vs. time for the horizontal motion of the ball from the time it is launched to the time it reaches the ground. Include all key points.
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An object is launched horizontally from a height of 320 meters at a speed of 20 m/s. Draw a position vs. time, velocity vs. time, and acceleration vs. time for the horizontal motion of the ball from the time it is launched to the time it reaches the ground. Include all key points.
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- Suppose an outfielder throws a baseball with an initial speed of 12 m/s in a direction 30° up from the horizontal. Use a trajectory diagram to determine the height of the peak of its trajectory in reality. I suggest using a time step of Δt = 0.2s and a scale of 1.0 m (in reality) = 2.0 cm (on diagram). The height of the peak of its trajectory in reality is ______ m.Suppose an outfielder throws a baseball with an initial speed of 12 m/s in a direction 30° up from the horizontal. Use a trajectory diagram to determine the height of the peak of its trajectory in reality. I suggest using a time step of Δt = 0.2s and a scale of 1.0 m (in reality) = 2.0 cm (on diagram). The height of the peak of its trajectory in reality is _____ m.Serena Willliams hits a ball 2.25 m above the ground. The ball leaves her racquet with a speed of 16 m/s at an angle of 2° above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0 m high. Assuming that the local acceleration due to gravity is 9.80 m/s2, determine the distance (in m) between the ball and the top of the net at the moment the ball reaches the net (positive - the ball is above the net and negative - the ball is below the net).
- Scenario: A toy rocket is launched straight upward from a pad 10 ft above ground level with an initial velocity of 80 ft/sec. Use the general formula for the vertical position (height) of an object moving under the influence of gravity where s0 is the initial vertical position, v0 is the initial velocity, and s is the vertical position of the object. Calculate the time(s) at which the rocket is at a height of at least 85 ft above the ground. Round to the nearest hundredth. Explain your answer.An eagle is flying horizontally at 6.2m/a with a fish in its claws. It accidentally drops the fish. How much time passes before the fish’s speed doubles, and how much additional time would be required for the speed to double again?Problem 1: A ball is initially 1.2 m above the ground. The ball is launched horizontally (0 = 0°) and the ball hits the ground after it travels a horizontal distance of 3.5 m. a) How long was the ball in the air? b) What was the initial speed of the ball?
- Solve the last partThe following graphs represent the horizontal and vertical velocities of a ball thrown off the edge of a cliff off a cliff on earth unknown height, H. 2 points Neglect air resistance. The projectile hits the ground at 10 seconds. Calculate the angle above the horizontal that it leaves the cliff. (answer the number closest to your answer) 12 10 1 3 10 Time (sec) 50 40 30 20 10 -10 -20 -30 -40 -50 -60 -70 9 10 1. 2. 4. Time (sec) 25 degrees 35 degrees 45 degrees 55 degrees 65 degrees 75 degrees O 85 degrees Vertical Velocity (m/s) Horizontal Velocity (m/s)Serena Williams hits a ball 2.30 m above the ground. The ball leaves her racquet with a speed of 17 m/s at an angle of 7° above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0 m high. Assuming that the local acceleration due to gravity is 9.80 m/s2, determine the distance (in m) between the ball and the top of the net at the moment the ball reaches the net (positive - the ball is above the net and negative - the ball is below the net).