2. a. b. The distance travelled by an object is given by the equation: d(t) = 20t 1+t2 t20. What is the speed of the object at 1s, 2s, and 3s? When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter10: Quadratic Equations
Section10.4: Solve Applications Modeled By Quadratic Equations
Problem 10.84TI: A man throws a ball into the air with a velocity of 96 ft/sec. Use the formula h=16t2+v0t to...
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2.
a.
b.
The distance travelled by an object is given by the equation:
20t
1+t²
d(t) = -
"
t≥ 0.
What is the speed of the object at 1s, 2s, and 3s?
When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)
Transcribed Image Text:2. a. b. The distance travelled by an object is given by the equation: 20t 1+t² d(t) = - " t≥ 0. What is the speed of the object at 1s, 2s, and 3s? When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)
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