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What is the difference between a Scalar and a Vector?

A vector is any physical quantity which has a direction and a magnitude, whereas a scalar is a physical quantity that is not directional (magnitude only).
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Answered by Alex R. • Physics tutor
2363 Views

How do I find the inverse of a 3x3 matrix?

We start by finding the determinant of this matrix using the cofactor method (I.e for each entry in the matrix, cross out the row and column in which it resides and find the determinant of the matrix formed,...
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5173 Views

Mutations leads to the production of a non-functional protein. Explain why.

Mutations changes triplets/codons after that point and causes a frame shift Changes amino acid sequence after this as it codes for different amino acids Affects hydrogen/ionic/sulfur bonds but not peptide bo...
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Answered by Carmen H. • Biology tutor
15780 Views

A myelinated axon conducts impulses faster than a non-myelinated axon.

In myelinated axons, there is action potential/depolarisation only at the nodes. In myelinated axons, the nerve impulses jump from node to node, therefore there is saltatory conduction. In myelinated axons, ...
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Answered by Carmen H. • Biology tutor
6152 Views

What is the subjunctive and how is it formed in French?

Simply put, the subjunctive is a mood used to express opinions, feelings and expressions of doubt or possibility. While it does exist in English, it is infrequently used and even less frequently taught so un...
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Answered by Philip W. • French tutor
2951 Views