4 years ago

Explain the contribution of Robert Hooke

2 answers:

5 0

He invented the first microscope, and was the first person to really see multi-cellular organisms. His contribution to the scientific world was huge.
That's all I got, sorry

densk [106]4 years ago

5 0

He discovered cells for the first time. He examined when we was looking in cell cork with a microscope.

Hope this helps!

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3 years ago

A force of 4400 N is exerted on a piston that has an area of 0.020 m.

asambeis [7]

Use Pascal's Law.

F1/A1 = F2/A2

F1 = 4400N

A1 = 0.020m^2

F2 = X

A2 = 0.040m^2

4400/0.020 = X/0.040

Cross multiply:

(4400 * 0.040) = 0.020X

176 = 0.020x

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3 years ago

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3 years ago

Which functions of water in living systems would still be possible if water was not polar and did not form hydrogen bonds

saveliy_v [14]

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7 0

3 years ago

is this true or false? an object with a mass of 9.0kg has an acceleration of 3m/s2. the force acting on it is 3N

ludmilkaskok [199]

The answer is "False". The force acting on the object is 27 N.

According to Newton's second law, when a force F acts on am object of mass m, it produces an acceleration a. The force is given by the expression,

$F=ma$

Thus, if the body has a mass of 9.0 kg and if it has an acceleration of 3 m/s², then, on substituting the values in the equation for force,

$F=ma\\ =(9.0kg)(3m/s^2)\\ =27N$

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3 years ago