NEET Physics Motion in A Plane Questions Solved


Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

Difficulty Level:

  • 22%
  • 46%
  • 19%
  • 15%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

(2)

 

        

 Let time to reach P from A be t    H=12gt2      t=2HgTime to reach C from P be t'    H2=12gt'2     t'=Hg= 2H2g= t2So total time to go from A to C     t+t'= t+t2            = t 1+12

 

 

Difficulty Level:

  • 13%
  • 53%
  • 23%
  • 13%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

 

Initially

       

Using relative motion conceptVB, A = VB-VA

tanθ=VBVA=1θ=45°

At shortest distance, the line dropped from A onto B should be perpendicular

Difficulty Level:

  • 39%
  • 29%
  • 25%
  • 9%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

(1)

 

                

Time to go from A to B = tAC= Horizontal displacement in time t     = ucos60° tAC= ut2In right-angled ABC        AC = AB cos 30°        AB = ACcos 30°= ut3

Difficulty Level:

  • 41%
  • 38%
  • 16%
  • 7%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

(A)

At any instant,

                

At any general point P(x,y)In y-direction, uy2=usinθ2-2gyIn x-direction, ux= ucosθ

Total K.E. = 12 muy2+12mux2                   = m2usinθ2-2gy+ucosθ2K.E. = m2u2-2gy            sin2θ+cos2θ=1is of the form y'=mx+c  .................Equation of Straight linewhere y'=K.E.            x=y

Difficulty Level:

  • 32%
  • 53%
  • 12%
  • 5%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)

                                

At time t, A, B & C are on a straight line, so           Slope of AC = Slope of BC            V2t-00-v1t=Vt2-0Vt2-V1t             V2V1 = V2V1-V             V = 2V1V2V1+V2

Difficulty Level:

  • 16%
  • 19%
  • 22%
  • 44%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)