Question

5.A bird moves from the base of tower of height 40m due east during 1 minute covering a distance of 30m. Then it flies in a straight line to the top of the tower with an average speed of 5m/s.Find the average (i) speed (ii) velocity of the bird for its trip from the bottom to top of the tower. ​

Answer 1

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Answer 2

Step-by-step explanation:

Given :

• R¹ = 24 + 3k.
• R² = –9.

Find :

• The value of k.

Solution :

R¹ + R² = 0

=> 24 + 3k –9 = 0

=> 3k + 15 = 0

=> 3k = –15

=> k = –15/3

=> k = –5.

Hence :

• The value of k is –5.