A projectile is shot from the ground at a velocity of $19 \frac{m}{s}$ $19 m/s$ at an angle of $\frac{π}{3}$ $pi/3$ . How long will it take for the projectile to land?

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A projectile is shot from the ground at a velocity of $19 \frac{m}{s}$ $19 m/s$ at an angle of $\frac{π}{3}$ $pi/3$ . How long will it take for the projectile to land?

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Answer 1 · 2016-04-11T18:39:14

$t_{e} = 3, 35 s$ $t_e=3,35 " s"$

Explanation:

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$data:$ $"data:"$
$v_{i} = 19 m/s initial velocity$ $v_i=19 " m/s initial velocity"$
$α = \frac{π}{3} angle$ $alpha=pi/3" angle"$
$g = 9, 81 \frac{m}{s^{2}}$ $g=9,81 m/s^2$
$t_{e} = ? elapsed time$ $t_e=? " elapsed time"$

$t_e=(2*v_İ*sin alpha)/g$

$t_e=(2*19*0,866)/(9,81)$

$t_e=3,35 " s"$

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A projectile is shot from the ground at a velocity of $19 \frac{m}{s}$ $19 m/s$ at an angle of $\frac{π}{3}$ $pi/3$ . How long will it take for the projectile to land?

1 Answer

Explanation:

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A projectile is shot from the ground at a velocity of $19 \frac{m}{s}$ $19 m/s$ at an angle of $\frac{π}{3}$ $pi/3$ . How long will it take for the projectile to land?