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PHY101 assignment no 1 solution and discussion

ansaraliansarali Posts: 25,240
in PHY101 - Physics

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  • ansaraliansarali Posts: 25,240
    Phy101 10:00 am
    Mcqs books se thy kafi easy thy is liye book achy se read kr lein . .
    Questions m ek 5 marks ka tha jis m btana tha k ye elastic hai ya inelastic hai r agr inelastic hai to Kiya wo completely inelastic hai ya nh.
    5 marks ka tha ek r Jo gravity se related tha.
    Ek short angular momentum se tha baki yad nh . . Overall easy tha
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  • ansaraliansarali Posts: 25,240
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  • ansaraliansarali Posts: 25,240
    image.png 
    Ans:
           Force along x axis
           Fx = Fcos(60)
               = 260(0.5)
Fx = 130N
Force along y axis
Fy = Fsin(60) - mg
    = 260(0.866) - 1.4
Fy = 223.77N

Mass of ball
we know that:
mg = 1.4N
m = 1.4/9.8
m = 0.143kg

Acceleration along x axis
Fx = ma(x)
a(x) = Fx/m
      = 130/0.143
a(x) = 909.1 m/s2
Acceleration along y axis
Fy = ma(y)
a(y) = Fy/m
       = 223.77/0.14
a(y) = 1598.357 m/s2
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  • ansaraliansarali Posts: 25,240
    [12/14, 12:07 PM] +92 305 9711973: Phy101 today paper long questions.
    steel has shear stress 4.2*10^3 what will be force required to shear a steel bolt of lenght 1 cm
    [12/14, 12:09 PM] +92 305 9711973: If gold is sold by weight where would you prefer to buy it from muree or from lahore and why.if it is sold by mass then where you prefer to buy from muree or from lahore
    [12/14, 12:09 PM] +92 305 9711973: What is apmlitude? What it represents? How it is related to wave energy?
    [12/14, 12:09 PM] +92 305 9711973: Do the moving objects have impulse?
    Phy101
    Share on Facebook
  • ansaraliansarali Posts: 25,240
    [12/14, 12:07 PM] +92 305 9711973: Phy101 today paper long questions.
    steel has shear stress 4.2*10^3 what will be force required to shear a steel bolt of lenght 1 cm
    [12/14, 12:09 PM] +92 305 9711973: If gold is sold by weight where would you prefer to buy it from muree or from lahore and why.if it is sold by mass then where you prefer to buy from muree or from lahore
    [12/14, 12:09 PM] +92 305 9711973: What is apmlitude? What it represents? How it is related to wave energy?
    [12/14, 12:09 PM] +92 305 9711973: Do the moving objects have impulse?
    Phy101
    Share on Facebook
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