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1. An object is thrown horizontally from the top of a building 4 m above the ground. It hits the ground 10 m away. Vo 4 m (0,0) 10 m a) How many seconds will the object be in flight? b) What should the initial velocity of the object? c) What is the impact speed of the object hitting the ground? d) Write the equations of motion x(t) and y(t) for the x and y positions. 1. a,b) 0.90 sec, 11.1 m/s

1. An object is thrown horizontally from the top of a building 4 m above the ground. It hits the ground 10 m away. Vo 4 m (0,0) 10 m a) How many seconds will the object be in flight? b) What should the initial velocity of the object? c) What is the impact speed of the object hitting the ground? d) Write the equations of motion x(t) and y(t) for the x and y positions. 1. a,b) 0.90 sec, 11.1 m/s

College Physics
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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1. An object is thrown horizontally from the top of a building 4 m above the ground. It hits the ground 10 m away. Vo 4 m (0,0) 10 m a) How many seconds will the object be in flight? b) What should the initial velocity of the object? c) What is the impact speed of the object hitting the ground? d) Write the equations of motion x(t) and y(t) for the x and y positions. 1. a,b) 0.90 sec, 11.1 m/s 2 (Speed of a softball). A softball is hit over a third baseman's head with speed v, and at an angle @ from the horizontal. Immediately after the ball is hit, the third baseman turns around and runs straight back at a constant velocity V = 7 m/s, for a time t = 2 s. He then catches the ball at the same herght at which it left the bat. The third baseman was initially L-18.0m from the location where the ball was hit at a) What horizontal distance does the ball travel in flight? %3D plne DE Speed ytune D=7x2m D=14m *14m b) Find v, of the softball. c) Find 0. 2. a) 32 m c) e-31.5 al -2uy +*9.0x Voy <9.8~s L. X-32m 24 Or Sea 00365 2 vio 3. On the planet Mars, and object is throwa tom the gound and lands on he goud is n thght a total ime of se and tuavels al apeed What is the masim What is the mna d dhe pops W is the in wh is the spd of the pesle of the sp of ts path? Teme Flagld-t-s.s*c (a) 4X5.5%55
Transcribed Image Text:1. An object is thrown horizontally from the top of a building 4 m above the ground. It hits the ground 10 m away. Vo 4 m (0,0) 10 m a) How many seconds will the object be in flight? b) What should the initial velocity of the object? c) What is the impact speed of the object hitting the ground? d) Write the equations of motion x(t) and y(t) for the x and y positions. 1. a,b) 0.90 sec, 11.1 m/s 2 (Speed of a softball). A softball is hit over a third baseman's head with speed v, and at an angle @ from the horizontal. Immediately after the ball is hit, the third baseman turns around and runs straight back at a constant velocity V = 7 m/s, for a time t = 2 s. He then catches the ball at the same herght at which it left the bat. The third baseman was initially L-18.0m from the location where the ball was hit at a) What horizontal distance does the ball travel in flight? %3D plne DE Speed ytune D=7x2m D=14m *14m b) Find v, of the softball. c) Find 0. 2. a) 32 m c) e-31.5 al -2uy +*9.0x Voy <9.8~s L. X-32m 24 Or Sea 00365 2 vio 3. On the planet Mars, and object is throwa tom the gound and lands on he goud is n thght a total ime of se and tuavels al apeed What is the masim What is the mna d dhe pops W is the in wh is the spd of the pesle of the sp of ts path? Teme Flagld-t-s.s*c (a) 4X5.5%55
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