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Andrej [43]
2 years ago
5

A ball is launched from ground level at 30 m/s at an angle of 35° above the horizontal. how far does it go before it is at groun

d level again
Physics
1 answer:
frutty [35]2 years ago
7 0

Answer:

Explanation:

Ignoring air resistance

Initial vertical velocity is 30sin35 = 17.2 m/s

Gravity reduces this velocity to zero in a time of

t = v/g =17.2 / 9.8 = 1.755 s

it takes the same time to come back down to ground level for a total flight time of 2(1.755) = 3.51 s

The horizontal velocity is 30cos35 = 24.57 m/s

the distance traveled horizontally is

d = vt = 24.57(3.51) = 86.298... = 86 m

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A triangle has two sides of length 10 cm and 14 cm. what can you say about the length of the third side?
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A side of any triangle is less than the sum of the other two sides so the third side must be less than 24cm.

<h3>What is a triangle?</h3>

A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle, some of which may be the same.

The sum of all three angles inside a triangle will be 180° and the area of a triangle is given as (1/2) × base × height.

There are many types of triangles such that right-angle triangles, equilateral triangles, and much more.

In any triangle, the sum of two sides is always greater than the third side.

If the third side is equal to the sum of two sides then it will be a straight line rather than a triangle.

It means 10 + 14 > third side

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Hence "A side of any triangle is less than the sum of the other two sides so the third side must be less than 24cm".

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If the pressure of a substance is increased during a boiling process, will the temperature also increase, or will it remain cons
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Also, using Gay-Lussac's law,

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