a) A long jumper leaves the ground at 45 ∘ above the horizontal and lands 9.1 m away. What is her "takeoff" speed v0? b) Now she is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 10.0 m away horizontally and 2.5 m, vertically below. If she long jumps from the edge of the left bank at 45 ∘ with the speed calculated in A, how long, or short, of the opposite bank will she land? (Figure 1)
a) A long jumper leaves the ground at 45 ∘ above the horizontal and lands 9.1 m away. What is her "takeoff" speed v0? b) Now she is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 10.0 m away horizontally and 2.5 m, vertically below. If she long jumps from the edge of the left bank at 45 ∘ with the speed calculated in A, how long, or short, of the opposite bank will she land? (Figure 1)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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a) A long jumper leaves the ground at 45 ∘ above the horizontal and lands 9.1 m away. What is her "takeoff" speed v0?
b) Now she is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 10.0 m away horizontally and 2.5 m, vertically below. If she long jumps from the edge of the left bank at 45 ∘ with the speed calculated in A, how long, or short, of the opposite bank will she land? (Figure 1)
Transcribed Image Text:The image depicts a person jumping off a cliff into a body of water. The diagram illustrates the following:
- The initial velocity (\(v_0\)) is directed at an angle of 45 degrees above the horizontal.
- The height from which the person jumps is 2.5 meters above the water surface.
- The horizontal distance the person covers before landing in the water is 10.0 meters.
This setup can be used to study projectile motion, focusing on the effects of initial velocity, launch angle, and height on the trajectory and range of the projectile.
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