NTSE Stage 2 SAT 2016 Question Paper

Question : 40 of 100

Marks: +1, -0

A truck and a car of masses

m_1

and

m_2

respectively are moving with equal kinetic energies. Equal stopping forces are applied and they come to a halt after travelling further distances

x_1

and

x_2

respectively

Solution:

\W=\K_\f-\K_\i=\Fx

\K_\f=

Final kinetic energy

\K_\i=

Initial kinetic energy
since

\K_\f

and

\K_\i

are same in both case and stopping force is also so x will be same for both.

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