Question: (a) What is the average speed, over the first (1.0 mathrm{~s}) of its motion, of a pebble released from rest off a bridge? (b) What

(a) What is the average speed, over the first $1.0 \mathrm{~s}$ of its motion, of a pebble released from rest off a bridge?

(b) What is the pebble's average speed over the second $1.0 \mathrm{~s}$ of its motion?

(c) What is its average speed during these first $2.0 \mathrm{~s}$ of its motion?

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To find the average speed of the pebble over different time intervals we first need to calculate the pebbles instantaneous speed at the end of each ti... View full answer

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