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3 years ago

(03.04 MC)

Mathematics

1 answer:

notsponge [240]3 years ago

8 0

Divide the total by the quantity of numbers:

84 / 3 = 28

This is the middle number.

The other numbers would be 1 lower ( 28-1 = 27) and 1 higher (28 +1 = 29)

The largest number would be 29.

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Part A

The height to which the projectile reaches is given by the following formula;

$\Delta y = y-y_0 = v_{0y} \times t-\dfrac{1}{2} \times g \times t^2$

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y₀ = The height from which the projectile is launched

g = The acceleration due to gravity

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Given that the projectile has the same initial velocity, the variation of Δy with time, 't', will be the same when the project is launched from a different height, and the time change that it takes for the projectile to reach the maximum height will be the same for the previous launch height

Part B

From the change in eight of the projectile, Δy = y - y₀, the maximum height reached, 'y', is therefore given as follows;

y = Δy + y₀

The maximum height will increase by 'y₀', where 'y₀' is the difference between new height and the previous height, $y_i$

That is, if y₀ > $y_i$ , the maximum height reached increases and if y₀ < $y_i$ , y₀ will be added as y = Δy - y₀ and the maximum height reached decreases

Step-by-step explanation:

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