EBK PHYSICS FUNDAMENTALS
2nd Edition
ISBN: 9780100265493
Author: Coletta
Publisher: YUZU
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Chapter 2, Problem 41P
To determine
The child that would threw the ball first and also determines how much later was the second ball thrown.
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An inquisitive physics student and mountain climber climbs a 51.0-m-high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.06 m/s.
(b) What initial velocity must the second stone have if the two stones are to hit the water simultaneously?
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Chapter 2 Solutions
EBK PHYSICS FUNDAMENTALS
Ch. 2 - Prob. 1QCh. 2 - Prob. 2QCh. 2 - Prob. 3QCh. 2 - Prob. 4QCh. 2 - Prob. 5QCh. 2 - Prob. 6QCh. 2 - Prob. 7QCh. 2 - Prob. 8QCh. 2 - Prob. 9QCh. 2 - Prob. 1P
Ch. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37PCh. 2 - Prob. 38PCh. 2 - Prob. 39PCh. 2 - Prob. 40PCh. 2 - Prob. 41PCh. 2 - Prob. 42PCh. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Prob. 51PCh. 2 - Prob. 52PCh. 2 - Prob. 53PCh. 2 - Prob. 54PCh. 2 - Prob. 55P
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- An inquisitive physics student and mountain climber climbs a 51.0-m-high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.06 m/s. (a) How long after release of the first stone do the two stones hit the water?arrow_forwardJim is driving his car at 32m/s (72mi/h) along a highway where the speed limit is 25m/s (55mi/h). A highway patrol car observes him pass and quickly reaches a speed of 36m/s. At that point, Jim is 300m ahead of the patrol car. How far does the patrol car travel before catching Jim?arrow_forwardA clown juggle balls while doing other activities. In one act, she throws a ball vertically upward, and while it is in the air, she runs to and from a table 5.5 m away at constant speed of 2.5 m/s, returning just in time to catch the falling ball. With what minimum initial speed must she throw the ball upward to accomplish the act?arrow_forward
- A ball is dropped from a tall building of height 127m from the ground. Concurrently, a stone is thrown vertically upward from the ground having an initial velocity of 27m/s. When and where the ball and stone meet from the ground?arrow_forwardA ball was thrown plumbly upward and then returned in the same path, and its launcher picked it up 5 seconds from the moment of the throwing. At what speed did the ball move when it left this person's hand?arrow_forwardA student throws a set of.keys vertically upward to her friend, who is in a window 4.00 m above. The keys are caught 1.50s later by the friend's outstretched hands. With what velocity was it tqhrown? What was the velocity of the keys just before they were caught?arrow_forward
- A projectile launched at 45° upwards from the ground takes 2.4 seconds to return to the ground. Approximately what speed was the projectile launched?arrow_forwardA swimmer travels at 0.8 m/s heading south across a small lake. At the same time, a second swimmer heads north from the opposite shore at a speed of 0.4 m/s. How wide is the lake if the two swimmers meet 12 min later?arrow_forwardThere was a juggling contest in Harvard University during their intramurals. A juggler throws a ball straight up with aninitial speed of 8.20 m/s. How much time elapsed until the ball returns to the juggler’s hand?arrow_forward
- A student is walking with a constant speed of ??1meters per second along High Street and sees a puddle ??1 meters ahead of her. A bus driver is driving parallel to the student along High Street as well. At the moment the bus is ??2meters behind the student, the bus driver decides he wants to splash he student with water by driving over the puddle as the student walks past. Determine the expression for the speed that the bus must have in terms of the given variables such that the bus and the student reach the puddle at the same time to splash the student.arrow_forwardA football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. The ball carrier has an initial speed of 8.56 m/s and is stopped in a time interval of 0.182 s. Find the magnitude and direction of his average acceleration.arrow_forwardIn a baseball game the initial speed of a ball was measured to be 43 m/s. The batter hits and send the ball in the opposite direction with a speed of 51 m/s. Assuming the flight trajectories are horizontal and linear; and the bat-ball contact time is 1.0 ms, find the average acceleration of the ball.arrow_forward
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