An object is thrown upward at time t = 0. After t seconds, its height is y = -4.9t² + 5t+5 meters above the ground. (a) From what height was the object thrown? 0 (b) What is the initial velocity of the object? (c) What is the acceleration due to gravity? meters m/s m/s 2
An object is thrown upward at time t = 0. After t seconds, its height is y = -4.9t² + 5t+5 meters above the ground. (a) From what height was the object thrown? 0 (b) What is the initial velocity of the object? (c) What is the acceleration due to gravity? meters m/s m/s 2
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:An object is thrown upward at time t = 0. After t seconds,
its height is y = −4.9t² + 5t + 5 meters above the
ground.
(a) From what height was the object thrown?
(b) What is the initial velocity of the object?
(c) What is the acceleration due to gravity?
meters
m/s
m/s²
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