Please help fast! What is resistive force?
A bullet of mass 20 gm is shot from a gun with velocity 200ms^-1. The bullet stops after penetrating 6cm of a wood.
Determine resistive force of the bullet.

resistive force is a force whose direction is opposite to the velocity of the body, or of the sum of the other forces, and may refer to: Friction

v² = u²+ 2as

v = 0

u² = -2as

a = -u²/2s

a = -(200)² / 2×6×10-²

= -40000/12×10-²

a = -400/12

= -33.3 ms-²

F = m(-a)

= 20×10-³ ×33.3

= 666×10-³

= 0.666 N

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explanation:

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

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