A shuffleboard disk is accelerated at a constant rate fromrest to a speed of 4.0

Question

A shuffleboard disk is accelerated at a constant rate fromrest to a speed of 4.0 m/s over a 1.2 m distance by a player usinga cue. At this point the disk loses contact with the cue and slowsat a constant rate of 2.8 m/s2 until it stops. A) What total distance does the disk travel? A shuffleboard disk is accelerated at a constant rate fromrest to a speed of 4.0 m/s over a 1.2 m distance by a player usinga cue. At this point the disk loses contact with the cue and slowsat a constant rate of 2.8 m/s2 until it stops. A) What total distance does the disk travel? A) What total distance does the disk travel?

Explanation / Answer

we have v1=4m/s v2=0 a=-2.8m/s2 solve for d v22=v12+2ad 0=42+2*(-2.8)*d d=2.857m add the distance travelled while the disc was being pushed 2.857m + 1.2m = 4.057m

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