Kinematics 2 Question 1
2. A particle is moving Eastwards with a velocity of . In , the velocity changes to Northwards. The average acceleration in this time is
(1982, 3M)
(a) zero
(b)
(c)
(d)
Fill in the Blank
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Answer:
Correct Answer: 2. (b)
Solution:
- Given, drag force,
As we know, general equation of force
Comparing Eqs. (i) and (ii), we get
By integrating both sides of Eq. (iii) in known limits, i.e.
When the ball thrown upward with velocity