Consider a rock thrown off a bridge of height 73.4 m at an angle θ = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 10.9 m/s. Find the following quantities:(a) the maximum height reached by the rock(b) the time it takes the rock to reach its maximum height(c) the time at which the rock lands(d) how far horizontally from the bridge the rock lands(e) the velocity of the rock (magnitude and direction) just before it lands.magnitude(f) direction: Give your answer in degrees. If you think the answer is "20 degrees down from the positive x-axis", you would enter "-20" (note the negative sign!)

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Description: Consider a rock thrown off a bridge of height 73.4 m at an angle θ = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 10.9 m/s. Find the following quantities:(a) the maximum height reached by the rock(b) t

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University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

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Consider a rock thrown off a bridge of height 73.4 m at an angle θ = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 10.9 m/s. Find the following quantities:

(a) the maximum height reached by the rock

(b) the time it takes the rock to reach its maximum height

(d) how far horizontally from the bridge the rock lands

(e) the velocity of the rock (magnitude and direction) just before it lands.

magnitude

(f) direction: Give your answer in degrees. If you think the answer is "20 degrees down from the positive x-axis", you would enter "-20" (note the negative sign!)

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