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gayaneshka [121]
3 years ago
7

A shell is fired with 500km/h on a target half kilometer away.In what time in which shell will hit the target.

Physics
1 answer:
Drupady [299]3 years ago
6 0

It depends on the direction in which the shell is launched.  The time can be anything from 3.6 seconds to never.

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Answer:

m = 4.4 × 10³ kg

Explanation:

Given that:

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The amount of mass that provides this energy can be determined by using the formula:

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where;

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4.0 × 10²⁰ = m × (3 × 10⁸)²

m = \dfrac{4.0 \times 10^{20} }{(3\times 10^8)^2}

m = 4.4 × 10³ kg

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