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Un cuerpo se mueve en línea recta segun la ecuación x=10+20t-4.9t2 (x está expresado en metros y t en segundos). ¿Cuál es la longitud del camino recorrido al cabo de 3.0 segundos? Porfa es para mañana

User Lavin
by
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2 Answers

4 votes

Answer:

La longitud del camino recorrido es de 25.9 [m]

Step-by-step explanation:

Se reemplaza el valor de tiempo en segundos en la ecuación dada de desplazamiento

x=10+20*(3) - 4.9*(3)^2

x= 25.9 [metros]

User Deddy
by
6.5k points
7 votes

Answer:

The length of the path traveled after 3.0 seconds is 25.9 meters

Step-by-step explanation:

Given that,

A body moves in a straight line according to the equation,


x=10+20t-4.9t^2........(1)

Here, x is in meters and t is in seconds

We need to find the length of the path traveled after 3.0 seconds. To find it, simply put the value of t as 3 seconds in equation (1).


x=10+20(3)-4.9(3)^2\\\\x=25.9\ m

So, the length of the path traveled after 3.0 seconds is 25.9 meters. Hence, this is the required solution.

User Nelu
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7.2k points