Sunday

April 20, 2014

April 20, 2014

Posted by **Casey** on Monday, January 3, 2011 at 10:11pm.

initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given

by S(t)= -16t^2 - 32t + 128.

a) What is the height of the wrench after 1 second?

b) How long does it take for the wrench to reach the ground?

- math -
**Reiny**, Monday, January 3, 2011 at 10:28pma) replace t with 1

b) solve

-16t^2 - 32t + 128 = 0

or , after dividing all terms by -16,

t^2 + 2t - 8 = 0

**Related Questions**

math - Throwing a Wrench. An angry construction worker throws his wrench ...

math - If a metal ball is thrown downward with an initial velocity of 22 feet ...

algebra - An object that is projected straight downward with initial velocity v ...

algebra - An object that is projected straight downward with initial velocity v ...

algebra - An object is released into the air at an initial height of 6 feet and ...

math - Baseball Nick throws a baseball upward with an initial velocity of 60 ...

ap calculus - The height s of a ball, in feet, thrown with an initial velocity ...

math - An object that is falling or vertically projected into the air has it ...

Math/ Calculus Help1 - Supplies are dropped from a stationary (not moving up or ...

Maths/ Calc - Supplies are dropped from a stationary (not moving up or down) ...