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Ignoring air resistance and assuming gravity to equal 9.81. If a ball of mass 1kg is dropped from a height of 100m, calculate it's final velocity before it hits the ground.

G = 9.81u = 0s = 100v2 = u2 + 2asv2 = 2 * 100 * 9.81v = root( 2 * 100 * 9.81) = 44.29ms-1
This question can be made into a 3 part question suitable for adv...

Answered by Maths tutor
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Integrate with respect to x [x^2]

Integrate(x2)When we integrate we use the formula xn+1/n+1So therefore as in this case n=2So taking this all into account, the integral of x2 = x3/3

Answered by Maths tutor
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What is the importance of the 'refractory period' after an action potential has been generated?

The refractory period is a period of recovery after an action potential where the ion channels will not open and the membrane can't be excited or depolar...

Answered by Biology tutor
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∫ 4/x^2+ 5x − 14 dx

For this problem we want to look to split it into logical steps We first identify that it is an integration problem without limits therefore there will be a constant of integration +C present The denomina...

KK
Answered by Kostas K. Maths tutor
4125 Views

Two proteins have the same number and type of amino acids but different tertiary structures. Explain why.

The order of the amino acids (primary structure) in the two proteins may be different. This can result in ionic, hydrogen and disulphide bonds to form in different locations in each protein. Such differen...

ES
Answered by Etienne S. Biology tutor
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