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If a ball of mass 5kg is dropped from rest, how far will it travel in the 3 seconds after it reaches 150m from it's original position? Write down the change in it's total energy after the 3 seconds. (ignoring air resistance)

  1. Calculate the speed the ball is travelling at when it reaches 150m using v= u+ 2ax. 2) Calculate the distance travelled in 3 seconds by an object with a speed of that found...
DO
Answered by Dafydd O. Physics tutor
2104 Views

How could I include the metaphor of Atticus as a moral compass in my essay on To Kill a Mockingbird?

Atticus Finch could be viewed as a moral compass within To Kill A Mockingbird, as exemplified when he tells Scout "You never really understand a per...

BW
8812 Views

The same mass of large, medium and small marbles where reacted separately with diluted HCl. This is and exothermic reaction. Will the rise in temperature for each reaction differ? If yes than why?

The smallest marbles will give the highest rise in temperature, than the medium and lastly the largest marbles will give the lovest rise in temperature. 

The smaller the beeds the larger the surfac...

IR
Answered by Ines R. Chemistry tutor
2723 Views

Solve 3x – 5 < 16

The question is asking you to isolate, or find out what 'x' is in relation to the equation. Don't be confused by the less than sign '<'. Treat it like an equals sign '='. 3x - 5 =16.

So let's ge...

JO
Answered by Judith O. Maths tutor
6004 Views

Which component of the vaccine stimulates an immune defence? How do they prevent people from catching the disease e.g. mumps?

inactive pathogens 

white blood cells produce antibodies 

these antibodies can be then quickly released whrn the immune system comes into contact with the live pathogen and destoy it 

IR
Answered by Ines R. Biology tutor
2590 Views

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