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3. A truck drives off a cliff with horizontal velocity of 8 m/s. The cliff is 138 m high. How much time has elapsed when it hits the ground? What is its horizontal displacement? What is its final velocity just before impact?

3. A truck drives off a cliff with horizontal velocity of 8 m/s. The cliff is 138 m high. How much time has elapsed when it hits the ground? What is its horizontal displacement? What is its final velocity just before impact?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1. In a projectile motion problem, what is the maximum number of unknowns that can be solved? a. 1 b. 2 c. 3 d. 4 2. The time of flight of a projectile, fired over level ground, with initial velocity v. at angle 9, is a. (v. sin 01/g b. (2v, sin 9)/g c. (v. cos 0)/g d. (2vo cos 9)/g 3. A truck drives off a cliff with horizontal velocity of 8 m/s. The cliff is 138 m high. How much time has elapsed when it hits the ground? What is its horizontal displacement? What is its final velocity just before impact? 4. The skier leaves the ramp at A at 8, = 25°. She strikes the ground at B. What is the initial speed and the speed she strikes the ground at B? m 100 m
Transcribed Image Text:1. In a projectile motion problem, what is the maximum number of unknowns that can be solved? a. 1 b. 2 c. 3 d. 4 2. The time of flight of a projectile, fired over level ground, with initial velocity v. at angle 9, is a. (v. sin 01/g b. (2v, sin 9)/g c. (v. cos 0)/g d. (2vo cos 9)/g 3. A truck drives off a cliff with horizontal velocity of 8 m/s. The cliff is 138 m high. How much time has elapsed when it hits the ground? What is its horizontal displacement? What is its final velocity just before impact? 4. The skier leaves the ramp at A at 8, = 25°. She strikes the ground at B. What is the initial speed and the speed she strikes the ground at B? m 100 m
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