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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? 100 m

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? 100 m

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
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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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