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Draw a free-body diagram for the mass with the pendulum suspended at an angle θ to the vertical. The tension in the rope is T and the radius of the circle is r.
Firstly, resolve horizontal forces an...

They're both similar but form between different types of elements. An ionic bond will form between a metal and a non-metal. The metal will donate electrons and the non-metal will accept the electrons, f...

Here we know the lower option will be 4, and that as our numerator is smaller than our denominator, or higher whole number to round to will be 5. Between 4 and 5 the halfway point is 4/8 as 4 is half of e...

Quantitative testing is objective and can often be judged numerically. For example, 'The material must weigh no more than ......' is an example of a quantitative specification point.
Qualitative tes...

It is strong and lightweight, and so can be taken apart and stored in a car boot etc. for transport. ABS has a glossy finish which means it requires not protection for indoor or outdoor use. It is a hard ...