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Work, Energy and Power

JEE Main 2024 (Online) 27th January Morning ShiftMCQEasy📈 Topic in 21% papers+4−1
Ques. 1JEE Main 2024, 27 January (Morning Shift)

Two bodies of mass 4 g and 25 g are moving with equal kinetic energies. The ratio of magnitude of their linear momentum is :

  1. 3:5
  2. 5:4
  3. 2:5
  4. 4:5

Answer

(3) 2:5

Solution

K= p22m p= 2mK

K is the same, p m

p1p2= 425= 25

Answer: (3)

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Ques. 2JEE Main 2024, 27 January (Evening Shift)

A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position and lowest position are equal. The angle ( ) of thread deflection in the extreme position will be :

  1. -1 ( 12 )
  2. 2 -1 ( 12 )
  3. 2 -1 ( 1 5 )
  4. -1 ( 2 )

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