A tennis ball is thrown into the air with an initial velocity that has a horizontal component of 5.5m/s and a vertical component of 3.7m/s [UP]. If air resistance is negligible, which of the following statement is correct? The speed of the ball at the top of the trajectory is zero. The vertical speed of the ball at its maximum height is 3.7m/s. a) b) The acceleration of the ball is increasing during its flight. The horizontal speed of the ball during impact s 5.5m/s. c) d)
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- A car is traveling horizontally at 19.3 m/s at the moment it drives off the top of a 5.19 m tall cliff. Assuming no air-resistance can be ignored, what horizontal distance does the car travel before stiking the ground?a skateboarder moving at 5.90 m/s along a horizontal section of a track that is slanted upward by θ = 46.0° above the horizontal at its end, which is 0.790 m above the ground. When she leaves the track, she follows the characteristic path of projectile motion. Ignoring friction and air resistance, find the maximum height H to which she rises above the end of the track.A car is traveling horizontally at 28.7 m/s at the moment it drives off the top of a cliff. The car strikes the ground 0.538 seconds after leaving the top of the cliff. Assuming air-resistance can be ignored, how tall is the cliff?
- A girl throws a rock horizontally from a bridge with an initial velocity of magnitude 15.0 m/s. It falls 14.0 m to the water below. How far does the rock travel horizontally before striking the water, assuming negligible air resistance?As shown in the figure, a heavy rock is shot upward from the edge of a vertical cliff. It leaves the edge of the cliff with an initial velocity of 9 m/s directed at 43° from the vertical and experiences no appreciable air resistance as it travels. It lands 67 meter horizontally from where it started. How high is the cliff? h=? 3.40 m 67 m- ------------>Problem 2: An object is thrown off the top of a 38-m tall building with a velocity of 350 m/s at an angle of 8.2° with respect to the horizontal. Part (a) How long is the object in the air in seconds? Numeric : A numeric value is expected and not an expression. t = Part (b) What is the maximum height the object reaches above the ground in meters? Numeric : A numeric value is expected and not an expression. hmax = Part (c) What is the horizontal distance the object covers in meters? Numeric : A numeric value is expected and not an expression. Ax =.
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