A boy stands on a fishing pier and tosses a pebble into a pond. The pebble is thrown from a height of 2.50 m above the water surface with a velocity of 4.50 m/s at an angle of 60.0° above the horizontal. As the pebble strikes the water surface, it immediately slows down to exactly half the speed it had when it struck the water and maintains that speed while in the water. After the pebble enters the water, it moves in a straight line in the direction of the velocity it had when it struck the water. If the pond is 4.60 m deep, how much time elapses (in s) between when the pebble is thrown and when it strikes the bottom of the pond?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A boy stands on a fishing pier and tosses a pebble
into a pond. The pebble is thrown from a height of
2.50 m above the water surface with a velocity of
4.50 m/s at an angle of 60.0° above the horizontal.
As the pebble strikes the water surface, it
immediately slows down to exactly half the speed it
had when it struck the water and maintains that
speed while in the water. After the pebble enters the
water, it moves in a straight line in the direction of the
velocity it had when it struck the water. If the pond is
4.60 m deep, how much time elapses (in s) between
when the pebble is thrown and when it strikes the
bottom of the pond?
Transcribed Image Text:A boy stands on a fishing pier and tosses a pebble into a pond. The pebble is thrown from a height of 2.50 m above the water surface with a velocity of 4.50 m/s at an angle of 60.0° above the horizontal. As the pebble strikes the water surface, it immediately slows down to exactly half the speed it had when it struck the water and maintains that speed while in the water. After the pebble enters the water, it moves in a straight line in the direction of the velocity it had when it struck the water. If the pond is 4.60 m deep, how much time elapses (in s) between when the pebble is thrown and when it strikes the bottom of the pond?
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