Thursday
August 21, 2014

Homework Help: Calculus

Posted by Anonymous on Tuesday, June 15, 2010 at 10:26pm.

A fireworks shell is shot upward with an initial velocity of 28m/s from a height of 2.5 m.

s(t) = -4.9t^2 + 28t + 2.5

After how many seconds will the shell have the same speed, but be falling downward?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

calculus I - the height (in meters) of a projectile shot vertically upward from ...
calculus - A projectile is shot upward from the surface of the Earth with an ...
Physics - A cannonball is shot (from ground level) with an initial horizontal ...
Physics - A cannonball is shot (from ground level) with an initial horizontal ...
Physics - A cannonball is shot (from ground level) with an initial horizontal ...
Physics - A cannonball is shot (from ground level) with an initial horizontal ...
pyhsics - A cannonball is shot (from ground level) with an initial horizontal ...
physics - A cannonball is shot (from ground level) with an initial horizontal ...
algebra - A ball is thrown into the air with an upward velocity of 28 ft/s. Its ...
science - a shell is fired from the cannon. the shell of mass 30kg is shot with ...

Search
Members