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A bullet loses 25% of its initial kineti...

A bullet loses 25% of its initial kinetic energy after penetrating through a distance of 2cm in a target. The further distance it travels before coming to rest is

A

1 cm

B

2 cm

C

8/3 cm

D

6 m

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A bullet loses 25% of its initial kinetic energy after penetrating through a disatance of 2cm in a target. The further distance it travels before coming to rest is

    A
    1 cm
    B
    2 cm
    C
    8/3 cm
    D
    6 cm

  • A bullet loses 25% of its initial kinetic energy after penetrating through a distance of 2cm in a targer. The Further distance it travels before coming to rest is

    A
    1cm
    B
    2cm
    C
    8/3cm
    D
    6cm

  • An express train moving at 30 m/s reduces its speed to 10 m/s in a distance of 240 m. If the breaking force is increased by 12.5% in the beginning find the distance that it travels before coming to rest

    A
    270 m
    B
    240 m
    C
    210 m
    D
    195 m

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