A soccer ball is kicked with a velocity of 25 m/s at an angle of 45 degrees above the horizontal. What is the vertical component of its acceleration as it travels along its trajectory? A 9.8 m/s2 downward B 9.8 m/s² x sin (45") downward 9.8 m/s² x sin (45) upward 9.8 m/s² upward
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- The velocity vector of a sprinting cheetah has x- and y-components vx = +28.6 m/s and vy = −26.3 m/s. What is the magnitude of the velocity vector?6. A student measured the horizontal and vertical components of the velocity of a projectile in a laboratory situation. The data is given below. Times and velocities are "true" (not scaled). Time, t(s) 0.10 2.12 0.20 2.12 0.30 2.13 0.40 2.11 0.50 2.12 (a) Plot vertical velocity vs. time. Horizontal velocity, v (m/s) Vertical velocity, v (m/s) 3.58 4.56 5.54 6.52 7.50 PREVIEW (b) Find the slope and y-intercept of your graph. (c) Write an equation specifically describing your graph. (d) On same graph sheet, plot horizontal velocity vs. time. (e) Write an equation specifically describing your second graph.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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- The x-component of a velocity vector that has an angle of 35 ∘ to the +x axis has a magnitude of 4.9 m/s. What is the magnitude of the velocity? Express your answer using two significant figures. What is the magnitude of the yy-component of the velocity? Express your answer using two significant figures.The velocity vector of a sprinting cheetah has x- and y-components vx = +28.6 m/s and vy = −26.3 m/s. What angle does the velocity vector make with the +x-axis?What are the magnitudes of x- and y-components of vector C? O2 cm, -4 cm 4 cm, 2 cm O 1 cm, -3 cm O 1 cm, -1 cm. 3 cm, 1 cm y (cm) 2 1 x (cm)
- If you take a man to the top of a 20 m tall building and throw him off with a velocity of 5 m/s directed horizontally, what’s the magnitude of his velocity upon hitting the ground (in m/s)? answers include: 22.4 m/s 19.8 m/s 9.8 m/s 20.4 m/sAn object is hovering about the surface of the earth. It begins to experience a gravitational acceleration of 2.0 m/s2. How high is it above the surface of the earth?3.1