The 10-kg block is held at rest on the smooth inclined plane by the stop block at A. If the10-g bullet is traveling at 300m/swhen it becomes embedded in the 10-kg block, determine thedistance the block will slide up along the plane before momentarily stopping

6.8 mm

Explanation:

We are given that

Mass of block,m=10 kg

Mass of bullet,

1 kg=1000 g

Total mass of system,M=

Speed of bullet,u=300 m/s

By law of conservation of momentum

According to law of conservation of energy

Change in kinetic energy of system=Change in potential energy of system

Where

1m=100 cm

Distance traveled by block=

1cm=10 mm

car stops. he keeps going = he has inertia

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