Top answers

What is simple harmonic motion?

Simple harmonic motion is an oscillation where both of the following statements are true: -The acceleration of an object is directly proportional to its displacement from an equilibrium position (the midpoin...
MS
Answered by Michael S. • Physics tutor
2229 Views

Integrate 3 sin(x) + cos(2x)

Here is an example of integration where you would use the chain rule. You would begin by integrating 3sin(x) to get -3cos(x) and then cos(2x) to get 1/2sin(2x). This is because whatever is multiplied by the ...
DS
Answered by Dannielle S. • Maths tutor
8673 Views

Solve 3x - 5 < 16

The first thing you should always do when approaching questions like this is to get the numbers on one side and the letters on the other. This makes the equation simpler and helps you to solve it. By adding ...
DS
Answered by Dannielle S. • Maths tutor
17093 Views

How do you find the angle between two lines in three dimensional vector space given two points on line 1 and the vector equation of line 2

Find the direction vector of line 1 Find the scalar product of the direction vectors of lines 1 and 2 Calculate the magnitude of both direction vectors Use (equation on whiteboard) to find the cosine of the ...
MM
Answered by Mark M. • Maths tutor
3942 Views

Why would a cell lyse when it's in water?

Lysis, or the bursting of a cell, happens because of a cell swelling excessively causing it to burst, due to the movement of water into the cell by osmosis. However, this isn't the case for all cells! Osmosi...
AA
Answered by Ashar A. • Biology tutor
20423 Views