If a body losses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest ?

Question 1

(a) 1cm

(b) 2cm

(c) 3cm

(d) 4cm

Question 2

Correct option (a) 1cm
Explanation:
Let initial velocity of body at point A be v, AB is 3 cm.

Let on penetrating 3 cm in a wooden block, the
body moves x distance from B to C.

Note Here, it is assumed that retardation is uniform.

kratos · Answer 1 · 2021-02-18T05:07:38+0000

Correct option (a) 1cm
Explanation:
Let initial velocity of body at point A be v, AB is 3 cm.

Let on penetrating 3 cm in a wooden block, the
body moves x distance from B to C.

Note Here, it is assumed that retardation is uniform.

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