1. A football is thrown at an unknown speed and angle (although we know the v component of the initial velocity is upward). It then lands at a location 15.0 m level at which it was thrown. Someone observes the football to be traveling at 25.0 m/s and in a direction 65.0° below the horizontal just before striking the (a) What was the initial speed of the football? At what angle was it thrown ab horizontal? (b) How much time did the ball spend in the air? (c) How far hori: the football travel?
1. A football is thrown at an unknown speed and angle (although we know the v component of the initial velocity is upward). It then lands at a location 15.0 m level at which it was thrown. Someone observes the football to be traveling at 25.0 m/s and in a direction 65.0° below the horizontal just before striking the (a) What was the initial speed of the football? At what angle was it thrown ab horizontal? (b) How much time did the ball spend in the air? (c) How far hori: the football travel?
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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PM2.1 please explain each step
Transcribed Image Text:1. A football is thrown at an unknown speed and angle (although we know the vertical
component of the initial velocity is upward). It then lands at a location 15.0 m below the
level at which it was thrown. Someone observes the football to be traveling at a speed of
25.0 m/s and in a direction 65.0° below the horizontal just before striking the ground.
(a) What was the initial speed of the football? At what angle was it thrown above the
horizontal? (b) How much time did the ball spend in the air? (c) How far horizontally did
the football travel?
15 m
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