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What is the sliding filament theory of muscle contraction?

There are two main muscle filaments in muscle fibres: Actin and myosin filaments. Actin filaments are thin and have binding sites for the globular heads ...

KF
Answered by Kasia F. • Biology tutor
27608 Views

Circut is arranged in a loop, with resistor (5 ohm), power source(2V), resistor (3 ohm), and another power source (3V) connected subsequently. What is the voltage on 5ohm resistor?

The questions is constructed to show, that the order of devices do not affect the currents or voltages.

5ohm / ( 3 + 5)ohm = x/ 2V +5V     x = 35/8 V = 4 3/8V

AW
Answered by Anna W. • Physics tutor
2371 Views

a bat emits sound waves with a range of wavelengths. Some of the sound waves will be diffracted by the insect. Complete the following sentences to explain why. [2 marks] Diffraction is caused by the sound waves _______________________________________

spreading out

RT
Answered by Ralph T. • Physics tutor
3613 Views

Take quadratic equation x^2-6x+14=0 and its solutions a and b. What is a/b+b/a?

In this kind of exersise it is easy to use Viète's formula for quadratic equations: Let: a+b = S ab=P then x2 -Sx + P=0 In our case, S=6 and P=14 by multiplying the fractions we get: (a

AM
2857 Views

Why can't you divide something by 0?

Let's go back to the definition of division: If we have a number o apples a and b persons to share them with, we can say that each person gets a/b apples. Example: 4 apples and 2 p...

AM
4006 Views

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