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Physics

1 answer:

Aleksandr-060686 [28]2 years ago

7 0

Answer:

The Republican party was formed because they wanted??????

Explanation:

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A 2. 5 kg block is launched along the ground by a spring with a spring constant of 56 N/m. The spring is initially compressed 0.

OLga [1]

The speed of the spring when it is released is 3.5 m/s.

The given parameters:

Mass of the block, m = 2.5 kg
Spring constant, k = 56 N/m
Extension of the spring, x = 0.75 m

The speed of the spring when it is released is calculated by applying the principle of conservation of energy as follows;

$K.E = U_x\\\\\frac{1}{2} mv^2 = \frac{1}{2} kx^2\\\\mv^2 = kx^2\\\\v^2 = \frac{kx^2}{m} \\\\v = \sqrt{\frac{kx^2}{m} } \\\\v = \sqrt{\frac{56 \times 0.75^2}{2.5} } \\\\v = 3.5 \ m/s$

Thus, the speed of the spring when it is released is 3.5 m/s.

Learn more about conservation of energy here: brainly.com/question/166559

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2 years ago

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An object accelerating may be changing in what two ways

Oksana_A [137]

Velocity and direction

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3 years ago

During a medieval siege of a castle, the attacking army uses a trebuchet to heavy stones at the castle the trebuchet launches th

vlada-n [284]

Answer:

Explanation:

The question relates to time of flight of a projectile .

Time of flight = 2 u sinθ / g

u is speed of projectile , θ is angle of projectile

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Maximum height attained

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= 48.5² sin²42 / 9.8

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2 years ago

Which equation is true of an atom with no elctrical charge

Paladinen [302]

Answer:

Atoms are composed of electrons (charge -1), protons (charge +1), and neutrons (no charge). So in a neutral atom the correct answer is "D".

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2 years ago

A wildebeest runs with an average speed of 4.0\,\dfrac{\text m}{\text s}4.0 s m 4, point, 0, start fraction, start text, m, en

devlian [24]

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60m

Explanation:

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3 years ago

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