Question

if a body is thrown upward upward with a velocity 24 m/s.find its speed after 3 secs​

Answer 1

Answer:

6 m/s

Explanation:

v=-u+gt

v=-24+10(3)

v=6m/s

Answer 2

Answer:

If a body is thrown upward with a velocity of 24 m/s, its speed after 3 secs​ will be $-5.4 m/s$

Explanation:

• We can solve this problem using the first equation of motion.

        It is given by,

        $V = u+at$    ...(1)

       Where $V$is the final velocity of the body, $u$ is the initial velocity, $a$ is the acceleration due to gravity, and $t$is the time taken by the body.

• From the question,

       The initial speed of the body = $24m/s$

       The time is taken = $3s$

        since the body is thrown upwards.

        $a = -g$

        We know g is the acceleration due to gravity

        $g= 9.8m/s^2$

Substitute these values into equation (1)

$V = 24-(9.8\times 3)$

    $=-5.4 \ m/s$