Answer:
The answer to your question is F = 16 N
Explanation:
Data
mass = 8 g
vo = 800 m/s
distance = 20 cm
force = ?
vf = 0 m/s
Process
1.- Calculate the acceleration of the bullet
Formula
a = (vf² - vo²)/2d
Substitution
a = (0 - 800)/2(0.2)
a = -800/0.4
a = 2000 m/s²
2.- Convert 8g to kg
1000 g --------------- 1 kg
8 g -------------- x
x = (8 x 1)/1000
x = 0.008 kg
3.- Calculate the force
Formula
F = ma
Substitution
F = (0.008)(2000)
Simplification and result
F = 16 N
The average force of the wood on the bullet is 16 N.
Since
mass = 8 g
vo = 800 m/s
distance = 20 cm
vf = 0 m/s
First we have to determine the acceleration by applying the following formula
a = (vf² - vo²)/2d
a = (0 - 800)/2(0.2)
a = -800/0.4
a = 2000 m/s²
Now Convert 8g to kg
Since 1000 g = 1 kg
So, 8 g should be 0.008 kg
Now the force is
F = ma
F = (0.008)(2000)
F = 16 N
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