4 years ago

What is a Hyper nova

Physics

1 answer:

posledela4 years ago

7 0

A hypernova is a very energetic supernova thought to result from an extreme core collapse scenario.

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Assume the acceleration of the object is a(t) = −32 feet per second per second. (Neglect air resistance.) With what initial velo

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Answer:

$v_i=189.315ft/s$

Explanation:

We are going to use the accelerated motion formula $v_f^2=v_i^2+2ad$ on the vertical component taking the upwards direction as positive.

Since <em>at maximum height the speed will be $v_f=0m/s$ </em>, the formula can be written as $v_i=\sqrt{-2ad}$ , which for our values is:

$v_i=\sqrt{-2(-32ft/s^2)(560ft)}=189.314553059ft/s=189.315ft/s$

Written to three decimal places.

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Rearrange the formula for V1 get the formula for V1

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To isolate v₁ from the given equation, subtract aΔt from both members of the equation and simplify:

$\begin{gathered} v_2=v_1+a\cdot\Delta t \\ \Rightarrow v_2-a\cdot\Delta t=v_1+a\cdot\Delta t-a\cdot\Delta t \\ \Rightarrow v_2-a\cdot\Delta t=v_1 \\ \therefore v_1=v_2-a\cdot\Delta t \end{gathered}$

Therefore, the formula for v₁ is:

$v_1=v_2-a\cdot\Delta t$

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