A body rises vertically upward to a height of 100 m, in 5 seconds, then comes back to the same position after another 5 s. Find the average velocity of the body in m/s.
Question
A body rises vertically upward to a height of 100 m, in 5 seconds, then comes back to the same position after another 5 s. Find the average velocity of the body in m/s.
Solution
To find the average velocity of the body, we need to calculate the total displacement and divide it by the total time taken.
Step 1: Calculate the total displacement: The body rises vertically upward to a height of 100 m and then comes back to the same position. Therefore, the total displacement is 0 m.
Step 2: Calculate the total time taken: The body takes 5 seconds to rise to a height of 100 m and then another 5 seconds to come back down. Therefore, the total time taken is 5 + 5 = 10 seconds.
Step 3: Calculate the average velocity: Average velocity is defined as the total displacement divided by the total time taken. In this case, since the total displacement is 0 m, the average velocity is also 0 m/s.
Therefore, the average velocity of the body is 0 m/s.
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