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A block of mass m is released from rest on a surface inclined at 30⁰ to the horizontal with a coefficient of friction of 0.3. How long does it take for the block to slide 1 m?

Firstly, a free-body diagram of the problem should be drawn indicating the forces acting on the block (remember that the friction force is the product of the normal reaction on the block and the coefficient ...
RP
Answered by Richard P. • Physics tutor
1967 Views

In interview stage, candidates will often be given two conflicting articles and be asked to evaluate them and explain their thought process. How would you do this?

Start with prior knowledge- What do you know about this subject- if anything? What would you like to know? How does your prior knowledge compare with the information given in the articles? What insight can t...
OB
1826 Views

Describe the meaning of the terms: gene, genetic locus, alleles, phenotype and genotype

A gene is a length of DNA that codes for a particular trait. ( Think of- jeans - they are long items (length) of clothing, what they're made out of determines what they are. This is a key concept of genetics...
EM
Answered by Eoin M. • Biology tutor
3910 Views

Describe the process of phagocytosis

So Bacteria and other pathogens are too large to enter a cell via diffusion across the cells membrane so instead white blood cells will engulf them. This is essentially what phagocytosis is and cells that do...
SA
Answered by Safiyya A. • Biology tutor
4832 Views

When do I need to use the present subjunctive in Spanish?

In Spanish language, the present form subjunctive is used in many cases:The indicative form of a verb is used to express something things that are certain, such as facts.The subjunctive form of a verb, howev...
KM
Answered by Kate M. • Spanish tutor
2014 Views