Question

In a golf tournament, if we designate the hole as the origin, and the putter (like a bat) is at - 5.0 m at time 0s, the average velocity of the ball when it reaches the hole is

• A. +5 m/s
• B. -1 m/s
• C. +1 m/s
• D. -5 m/s

Answer 1

The correct option is C

+1 m/s

Here, initially at t = 0 s, the distance from the origin is 5 m.
At t = 5 s, the ball reaches the origin.
So, the total displacement of the ball till hole will be 5m.
Total time to reach the hole = 5 s.
Hence, $AverageVelocity=\frac{displacement}{time}=\frac{+5}{5}=+1m/s$