A model rocket is launched with an initial upward velocity of 73 m/s. The rocket's height (in meters) after t seconds is given by the following.

h = 73t-5t^2

Find all values of t for which the rocket's height is 47 meters. Round your answer (s) to the nearest hundredth.

Question

Mathematics

Jeremy Chan

12 September, 05:22

A model rocket is launched with an initial upward velocity of 73 m/s. The rocket's height (in meters) after t seconds is given by the following.

h = 73t-5t^2

Find all values of t for which the rocket's height is 47 meters. Round your answer (s) to the nearest hundredth.

+3

Answers (1)

Know the Answer?

Brennan Pruitt · Answer 1

13.71 and 0.69

Step-by-step explanation:

Set 73t-5t^2 equal to 47 and solve

-5t^2 + 73t - 47 = 0

Quadratic formula

(-73 + - sqrt (4389)) / -10

x = 13.92 or x = 0.68

A model rocket is launched with an initial upward velocity of 73 m/s. The rocket's height (in meters) after t seconds is given by the following.h = 73t-5t^2Find all values of t for which the rocket's height is 47 meters. Round your answer (s) to the nearest hundredth.

A model rocket is launched with an initial upward velocity of 73 m/s. The rocket's height (in meters) after t seconds is given by the following.

h = 73t-5t^2

Find all values of t for which the rocket's height is 47 meters. Round your answer (s) to the nearest hundredth.