Using second law of motion, derive the relation between force and acceleration. A bullet of 10 g strikes a sand-bag at a speed of 103 ms-1 and gets embedded after travelling 5 cm. Calculate
(i) The resistive force exerted by the sand on the bullet
(i) The time taken by the bullet to come to rest.
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The area under a speed-time graph represents the distance travelled. This is a velocity time graph of an object moving in a straight line due North. The displacement of this object is the area of the velocity time graph. ... A horizontal line on a speed-time graph represents a constant speed.
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