Question
A shopkeeper buys a no of books for₹1200. If he had bought 10 more books for the same amount, each book would have cost him ₹20 less how many book did he buy.
In the picture you write computing 1upon17 are 17 and in video yousay that computing 1 upon 17 are 12
WHEN THE VELOCITY IS CONSTANT, CAN THE AVERAGE VELOCITY OVER ANY TIME INTERVAL DIFFER FROM INSTANTANEOUS VELOCITY AT ANY INSTANT? IF SO, GIVE AN EXAMPLE IF NOT EXPLAIN WHY