Question

1. What do you mean by density ? 2. What is the formula of area of Triangle? 3. Write down the value of density of water. 4. Give the example of Curvilinear motion ? 5. Give the example of repetitive motion ?​

Answer 1

Answer:

According to which standard I should answer

Answer 2

Answer:

1. Density is the mass per unit volume of an object.
2. Area of a triangle: $\frac{1}{2} * b * h$, where b = base and h = height.
3. The density of water is appx. 1000 kg/m^3 (997 kg/m³).
4. Earth revolving around the sun is an example of curvilinear motion.
5. Pendulum of a clock is repetitive motion.

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