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Solution


Q.

Computer Animations: The animation on a new computer game initially allows the hero of the game to jump a (screen) distance of 10 inch over booby traps and obstacles. Each successive jump is limited to 3/4 inch less than the previous one.

Based on the above information, answer the following questions:

 

(iii) (a) Find the length of the ninth jump
1 2 inch  
2 1 inch  
3 4 inch  
4 5 inch  

Ans.

(3)

Length of 9th jump a9=a+8d=10+8(-3/4)=10-6=4 inch