Multiple-Concept Example 6 reviews the concepts that play a role in this problem

Question

Multiple-Concept Example 6 reviews the concepts that play a role in this problem. A diver springs upward with an initial speed of 2.49 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen as the negative direction.] (b) What is the highest point he reaches above the water? Multiple-Concept Example 6 reviews the concepts that play a role in this problem. A diver springs upward with an initial speed of 2.49 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen as the negative direction.] (b) What is the highest point he reaches above the water? Question 7

Explanation / Answer

v^2-u^2=2as

or v = root(2.49^2+2*9.8*3)=8.06m

b) maximum height be h

2.49^2 = 2*9.8*h

h = 0.316 meters

the highest point he reaches above the water = 0.316 m from board

or 3 + 0.316 = 3.316 meters

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