4 years ago

Which two men developed the steam engine?

2 answers:

maks197457 [2]4 years ago

3 0

The steam engine is developed by Newcomen and James Watt.

The first steam engine is founded by the James watt in the year 1763, but requires several improvements, which are performed by the Newcomen, later in 1775, therefore the credit for development of steam engine goes to Newcomen and James Watt.

Marizza181 [45]4 years ago

3 0

Newcomen and Watt developed the steam engine.

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A 5.50-kg object is hung from the bottom end of a vertical spring fastened to an overhead beam. The object is set into vertical

iris [78.8K]

Answer:

17.71N/m

Explanation:

The period of the spring is expressed according to the expression;

$T = 2 \pi \sqrt{\frac{m}{k} } \\$

m is the mass of the object

k is the force constant

Given

m = 5.50kg

T = 3.50s

Substitute into the formula;

$T = 2 \pi \sqrt{\frac{m}{k} } \\3.5 = 2 (3.14) \sqrt{\frac{5.5}{k} } \\3.5 = 6.28 \sqrt{\frac{5.5}{k} } \\\frac{3.5}{6.28} = \sqrt{\frac{5.5}{k} } \\0.557 = \sqrt{\frac{5.5}{k} } \\square \ both \ sides\\0.557^2 = (\sqrt{\frac{5.5}{k} })^2 \\0.3106 = \frac{5,5}{k}\\k = \frac{5.5}{0.3106}\\k = 17.71N/m$