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    A block of mass 2kg is on a smooth slope of 30 degrees. If it slides from rest at X, find its speed at Y after moving 10m down the slope...

    Answer is 10ms-1 but how
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    (Original post by Revision99)
    A block of mass 2kg is on a smooth slope of 30 degrees. If it slides from rest at X, find its speed at Y after moving 10m down the slope...

    Answer is 10ms-1 but how
    resolve weight to find net force down slope, and use f=ma for acceeleration, then use suvat
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    (Original post by 123Master321)
    resolve weight to find net force down slope, and use f=ma for acceeleration, then use suvat
    i get what you are trying to say and did that, but i end up getting the wrong answer if i do so
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    (Original post by 123Master321)
    resolve weight to find net force down slope, and use f=ma for acceeleration, then use suvat
    i get 20 as the final answer then
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    (Original post by Revision99)
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    i get 20 as the final answer then
    Ok, so
    F=ma

2g sin30 = 2a

a=5

v^2=u^2+2as

u=0

v^2 = 2(5)(10)

v=10m/s
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    (Original post by 123Master321)
    Ok, so
    F=ma

2g sin30 = 2a

a=5

v^2=u^2+2as

u=0

v^2 = 2(5)(10)

v=10m/s
    Oh okay thank you so much!
 
 
 
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