Author: univerkov
education
Task data: S (area under pressure) = 100 cm2 (in SI S = 0.01 m2); F (acting force) = 50 N. The required pressure, which will create a
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education
Task data: m (cargo weight) = 100 kg; F (force acting on the floor of a moving elevator from the side of the load) = 1200 N. Constants:
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education
The chemical element forms the highest oxide E2O, the molar mass of which is 30 g / mol. Name this element and describe its position in the periodic
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education
First way. Since the quadrilateral is inscribed in a circle, the sum of its opposite angles is 180. Then the angle ADС = 180 – ABC = 180
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education
The diagonal and two sides of the rectangle form a right-angled triangle, the legs of which are the sides of the rectangle, and the hypotenuse is the diagonal
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education
The task directly indicates how many centimeters the length differs from the width of the rectangle. It is said that 10 cm is 2 cm less than the
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education
1. From the problem statement, we know that the perimeter of a given triangle is 2 m 63 cm, therefore we know what the sum of the three
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education
The perimeter of the triangle is 60 cm. The length of the first side is 23 cm, and the length of the second is 7 cm less. Find
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education
It is known from the condition that point C is the midpoint of the segment AB. And we need to find the coordinates of point B, if it
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education
Let’s find the mass of carbon without impurities. 100% – 10% = 90%. 20 g – 100%, X – 90%, X = (20g × 90%): 100% = 18g.
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