*3. If an object is projected upward with an initial velocity of 127 ft per sec, its height the height of the object after 2 seconds. The height of the object after 2 seconds is (Simplify your answer.) ft. *4. If an object is projected from a height of 320 ft with an initial velocity of 128 ft per se the following equation. h= - 16t + 128t +320

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11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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uject will TIl he
When the time is
seconds,
*3.
If an object is projected upward with an initial velocity of 127 ft per sec, its height h after t seconc
the height of the object after 2 seconds.
The height of the object after 2 seconds is
(Simplify your answer.)
ft.
*4. If an object is projected from a height of 320 ft with an initial velocity of 128 ft per sec, its height afte
the following equation.
h = -
16t + 128t+320
Use this information to answer parts (a) and (b) below.
(a) After how many seconds is the height 576 feet? (Hint: Let h = 576 and solve.)
The height is 576 feet after
second(s).
(b) After how many seconds does the object hit the ground? (Hint: When the object hits the gro
The object hits the ground after
second(s).
5.
If the cost, C, for manufacturing x units of a certain product is given by C =x-10x+30, find the
manufactured at a cost of $7230.
There are
units manufactured at a cost of $7230.
0. If the cost, C, for manufacturing x units of a certain product is given by C=x - 5x + 60, find
manufactured at a cost of $7710.
units manufactured at a cost of $7710,
There are
JNCREDIBLE
Transcribed Image Text:uject will TIl he When the time is seconds, *3. If an object is projected upward with an initial velocity of 127 ft per sec, its height h after t seconc the height of the object after 2 seconds. The height of the object after 2 seconds is (Simplify your answer.) ft. *4. If an object is projected from a height of 320 ft with an initial velocity of 128 ft per sec, its height afte the following equation. h = - 16t + 128t+320 Use this information to answer parts (a) and (b) below. (a) After how many seconds is the height 576 feet? (Hint: Let h = 576 and solve.) The height is 576 feet after second(s). (b) After how many seconds does the object hit the ground? (Hint: When the object hits the gro The object hits the ground after second(s). 5. If the cost, C, for manufacturing x units of a certain product is given by C =x-10x+30, find the manufactured at a cost of $7230. There are units manufactured at a cost of $7230. 0. If the cost, C, for manufacturing x units of a certain product is given by C=x - 5x + 60, find manufactured at a cost of $7710. units manufactured at a cost of $7710, There are JNCREDIBLE
Abdullah
Date: 10/28/21
If h = - 16t“ + 176t represents the height of a rocket, in feet,t seconds after it was fired,
Instructor: Leah Nooden
Course: triterstye teterraediate Akgebra
(MATH-O97-w04 CRN 11771)
Assignmmen
and Proble
1.
ground? (Hint: The rocket is on the ground when h=0).
The rocket will hit the ground after
(Simplify your answer.)
(1)
(1)
second(s).
feet.
An object is thrown upward from the top of a 64-foot building with an initial velocity of
the object after t seconds is given by the quadratic equation h= -16t+48t + 64. Wh
The object will hit the ground when the time is
seconds.
If an object is projected upward with an initial velocity of 127 ft per sec, its height h afte-
the height of the object after 2 seconds.
The height of the object after 2 seconds is
(Simplify your answer.)
ft.
*4. If an object is projected from a height of 320 ft with an initial velocity of 128 ft per sec, its
the following equation.
h= -16t + 128t +320
Use this information to answer parts (a) and (b) below.
(a) After how many seconds is the height 576 feet? (Hint: Let h=576 and solve.)
The height is 576 feet after
second(s).
(b) After how many seconds does the object hit the ground? (Hint: When the object
second(s).
The object hits the ground after
If the cost, C, for manufacturing x units of a certain product is given by C=x- 10x+
manufactured at a cost of $7230.
5.
units manufactured at a cost of $7230.
There are
Transcribed Image Text:Abdullah Date: 10/28/21 If h = - 16t“ + 176t represents the height of a rocket, in feet,t seconds after it was fired, Instructor: Leah Nooden Course: triterstye teterraediate Akgebra (MATH-O97-w04 CRN 11771) Assignmmen and Proble 1. ground? (Hint: The rocket is on the ground when h=0). The rocket will hit the ground after (Simplify your answer.) (1) (1) second(s). feet. An object is thrown upward from the top of a 64-foot building with an initial velocity of the object after t seconds is given by the quadratic equation h= -16t+48t + 64. Wh The object will hit the ground when the time is seconds. If an object is projected upward with an initial velocity of 127 ft per sec, its height h afte- the height of the object after 2 seconds. The height of the object after 2 seconds is (Simplify your answer.) ft. *4. If an object is projected from a height of 320 ft with an initial velocity of 128 ft per sec, its the following equation. h= -16t + 128t +320 Use this information to answer parts (a) and (b) below. (a) After how many seconds is the height 576 feet? (Hint: Let h=576 and solve.) The height is 576 feet after second(s). (b) After how many seconds does the object hit the ground? (Hint: When the object second(s). The object hits the ground after If the cost, C, for manufacturing x units of a certain product is given by C=x- 10x+ manufactured at a cost of $7230. 5. units manufactured at a cost of $7230. There are
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