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A block of mass 5kg moving in a straight line at constant speed travels 50 metres in 14 seconds. Calculate the block's momentum.

p = 17.9 kgm/s. p = mv. v = d/t. p = md/t. p = (5 x 50)/14

CW
Answered by Cameron W. Physics tutor
1881 Views

Describe one similarity and one difference between the structures of diamond and graphite.

Answer:Similarity: either: both contain carbon atoms; or: both have strong covalent bonds between the atomsDifference: either: graphite structure has layers whereas diamond structure...

TD
8492 Views

Discuss how and why vital rates may change over time, you should refer to rates such as birth rate, death rate, infant mortality, fertility rate and life expectancy

Vital rates may change over time for many reasons such as stages of development, conflict, government policies and the general evolvement of people. Throughout this answer I will discuss how and why the r...

LH
Answered by Lydia H. Geography tutor
1980 Views

‘Natural Law offers the most reliable response to the issues raised by contraception’ Discuss.

Natural law is a deontological theory that is most commonly associated with St Thomas Aquinas, a theological ethicist and philosopher. The theory derives what is good and evil from the rational nature of ...

LH
3660 Views

How do I write an Oxbridge personal statement?

When it comes to making an application to Oxford or Cambridge, the key is to be specific. You have to remember that you will be competing against the best students from all across the world, so your perso...

IP
1379 Views

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