below. The vertical wall of the building is 4.0 m high, forminga 2-m-high railing around the playground. A ball has fallen to the street below, and a passerby returns it by launching it at an angle of 30.0° above the horizontal at a point 20.0m from the base of the building wall. The ball takes 2.0 s to reach a point vertically above the wall. What is the ball's speed (in m/s) when its launched? O 17.2 O 23.1 O 11.5 O 34.6
below. The vertical wall of the building is 4.0 m high, forminga 2-m-high railing around the playground. A ball has fallen to the street below, and a passerby returns it by launching it at an angle of 30.0° above the horizontal at a point 20.0m from the base of the building wall. The ball takes 2.0 s to reach a point vertically above the wall. What is the ball's speed (in m/s) when its launched? O 17.2 O 23.1 O 11.5 O 34.6
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 playground is on the flat roof of a city school, 5.0 m above the street
below. The vertical wall of the building is 4.0 m high, forming a 2-m-high
railing around the playground. A ball has fallen to the street below, and a
passerby returns it by launching it at an angle of 30.0° above the horizontal
at a point 20.0 m from the base of the building wall. The ball takes 2.0 s to
reach a point vertically above the wall. What is the ball's speed (in m/s)
when its launched? *
O 17.2
O 23.1
O 11.5
34.6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0934aac9-ab34-4179-8136-69d5279e87eb%2Fb51966a9-1a26-4602-b482-1a28a62bcdcc%2Fx5i64j9_processed.png&w=3840&q=75)
Transcribed Image Text:A playground is on the flat roof of a city school, 5.0 m above the street
below. The vertical wall of the building is 4.0 m high, forming a 2-m-high
railing around the playground. A ball has fallen to the street below, and a
passerby returns it by launching it at an angle of 30.0° above the horizontal
at a point 20.0 m from the base of the building wall. The ball takes 2.0 s to
reach a point vertically above the wall. What is the ball's speed (in m/s)
when its launched? *
O 17.2
O 23.1
O 11.5
34.6
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