isabellah
contestada

19. For livesh's Model A rocket, he uses the equation h=-490^2+ 1120t. When is the height of the Model A rocket 640 centimeters?

Respuesta :

calculista

Answer:

t = 1.143 s

Step-by-step explanation:

The equation he uses to model the height of the rocket in cm, as function of time is

h(t)  = -490 t^2  + 1120t

We can plot this equation using a graphing tool

Please, see attached picture

The rocket reaches his maximum height  (640 cm) at

t = 1.143 s

Ver imagen calculista

Otras preguntas