A student stands at the edge of a cliff and throws a stone horizontally over the

Question

A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of vi = 12.5 m/s. The cliff is h = 48.4 m above a body of water. (a) What are the coordinates of the initial position of the stone? (Hint: Let the student's position be the origin of the coordinate system.) xi = m yi = m (b) What are the components of the initial velocity of the stone? vix = m/s viy = m/s (e) Write symbolic equations for the x and y components of the velocity of the stone as a function of time. (Use the following as necessary: vix, g, and t. Indicate the direction of the velocity with the sign of your answer.) vfx = vfy = (f) Write symbolic equations for the position of the stone as a function of time. (Use the following as necessary: vix, g, and t. Indicate the direction of the displacement with the sign of your answer.) xf = yf = (h) With what speed and angle of impact does the stone land? v = m/s ? =

Explanation / Answer

ORIGIN Vix=12.5m/s Viy=0m/s Vix=12.5m/s AND DOES NOT CHANGE WITH TIME Viy=-g*t at time x coordinate 12.5t y ordinate 0.5g*t*t

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