Rex Things throws his mother's crystal vase vertically upwards with an initial velocity of 26.2 m/s. Determine the height to which the vase will rise above its initial height.

Respuesta :

Answer:

35.0 m to the nearest tenth.

Step-by-step explanation:

We can use  one of the equations of motion for constant acceleration:

v^2 = u^2 + 2gs    where v = final velocity, u = initial velocity , g = acceleration due to gravity and s = height above initial height.

As the motion is against gravity g will be negative:

V = 0 (at final height), u = 26.2, g = -9.81:

0 = 26.2^2 + 2 * -9.81 * s

s = - (26.2)^2 / (-2*9.81)

s = 35.0 m to the nearest tenth.

Height from vase down is 35 meter

Given that;

Initial velocity of vase = 26.2 meter per second

Find:

Height from vase down in meter

Computation:

Using Third equation of motion : -

v² = u² + 2as

0² = 26.2² + 2(9.8)(s)

686.44 + 19.6s = 0

19.6s = -686.44

s = -686.44 / 19.6

s = 35.022

Height from vase down = 35 meter

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