A bullet of 10g enters a wooden plank with a velocity of 20m/s and pierce through 10cm. Find the resistance offered.

Question

jtug6 · Answer

unsure of what it means by find the resistance offered

rebeccaxhawaii · Answer

@agent0smith COME HERE DANNO

phy_doubt · Answer

@rebeccaxhawaii @jtug6

jtug6 · Answer

are there any particular equations you know of that are associated with this problem?

rebeccaxhawaii · Answer

Your welcome in advance ^-^ huehuehuehue

agent0smith · Answer

Work done = force * distance

Use the fact that work done = change in kinetic energy = Final KE - Initial KE

Resistance offered probably means the force. You have distance.

phy_doubt · Answer

okay... can u show the working plz

phy_doubt · Answer

@jtug6 plzzzz HELP @agent0smith

jtug6 · Answer

ok. give me a few secs to solve this. agent seems to have explained it pretty well. i'll draw it out right quick.

jtug6 · Answer

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