Describe the difference between numbers with positive exponents and numbers with negative exponents

Mathematics

1 answer:

Savatey [412]3 years ago

4 0

Numbers with negative numbers become smaller such as decimals. Numbers with positive exponents become bigger in quantity

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A bird has a mass of 26 g and perches in the middle of a stretched telephone line. (a) Show that the tension in the line can be

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a) is demonstrated below, b) T=1.462N, c) T=14.6N

Step-by-step explanation:

a) Refer to the attached diagram.

Since the bird is standing in the middle of the line and each half is a straight line, Ta=Tb, so we will call the tension T=Ta=Tb and Tay=Tby

By trigonometry Tay=Ta·Sinθ

Since the system is in equilibrium W=Tay+Tby then:

W=2·Tay=2·Ta·Sinθ=2·T·Sinθ

Since W=mg, being m the mass of the bird and g, gravity:

$mg=2TSin\theta$