Question

if the bullet of mass 5g moving with thr velocity 100m/s penetrates the wooden block upto 6cm. then the average force imposed by the bullet on the block

Answer 1

Answer:

Given :

Final velocity (v) = 0 m/s

Initial velocity (u) = 100 m/s

Distance travelled (s) = 6cm

Mass : 5g

$= \frac{5}{1000}$

$= 0.005kg$

To find:

Force

Formulae :

$f \: = \: m \times a$

Solution :

Here,

$v {}^{2} = u {}^{2} + 2as$

Then

$a = \frac{10000}{12}$

$a \: = 833.33$

$f = m \times a$

$f \: = 0.005 \times 833.33$

$f = 416.66$

There fore the answer is

f ≈ 417N

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