* In a first experiment, a 30-g clay ball is shot at a speed of 1.3 m/s horizontally from the edge of a table. The ball lands on the floor 0.60 m from the table. In a second experiment, the same ball is shot at the same speed, but this time the ball hits a wooden block that is placed on the edge of the table. The ball sticks to the block, and the block lands on the floor 0.06 m from the table. (a) Represent the second experiment with impulse-momentum bar charts, treating the x- and y-components separately; draw two sets of bar charts, first taking the wooden block as a system and then taking the block and the clay ball as a system (initial state: just before the clay ball hits the block; final state: just before the block touches the floor). Determine (b) the mass of the block and (c) the height of the table. Indicate any assumptions that you made.
* In a first experiment, a 30-g clay ball is shot at a speed of 1.3 m/s horizontally from the edge of a table. The ball lands on the floor 0.60 m from the table. In a second experiment, the same ball is shot at the same speed, but this time the ball hits a wooden block that is placed on the edge of the table. The ball sticks to the block, and the block lands on the floor 0.06 m from the table. (a) Represent the second experiment with impulse-momentum bar charts, treating the x- and y-components separately; draw two sets of bar charts, first taking the wooden block as a system and then taking the block and the clay ball as a system (initial state: just before the clay ball hits the block; final state: just before the block touches the floor). Determine (b) the mass of the block and (c) the height of the table. Indicate any assumptions that you made.
* In a first experiment, a 30-g clay ball is shot at a speed of 1.3 m/s horizontally from the edge of a table. The ball lands on the floor 0.60 m from the table. In a second experiment, the same ball is shot at the same speed, but this time the ball hits a wooden block that is placed on the edge of the table. The ball sticks to the block, and the block lands on the floor 0.06 m from the table. (a) Represent the second experiment with impulse-momentum bar charts, treating the x- and y-components separately; draw two sets of bar charts, first taking the wooden block as a system and then taking the block and the clay ball as a system (initial state: just before the clay ball hits the block; final state: just before the block touches the floor). Determine (b) the mass of the block and (c) the height of the table. Indicate any assumptions that you made.
Rocky the Flying Squirrel is carrying a nut of mass 0.5 kg while flying horizontally at a height of 15 m above the ground at a speed of 12 m/s. Bullwinkle is eagerly awaiting the
delivery of the nut on the ground. Rocky releases the nut as he is directly above Bullwinkle. How far from Bullwinkle will the nut land if Bullwinkle does not move?
O 8.49 m
O 5.20 m
O 4.24 m
O 20.8 m
31
Kyle, a 95.0 kg football player, leaps straight up into the air (with no horizontal velocity) to catch a pass. He catches the 0.430 kg ball precisely at the peak of his jump, when he is 0.538 meters off the ground. He hits the ground 0.0333 metersaway from where he leapt. If the ball was moving horizontally when it was caught, how fast was the ball traveling?
ball's speed: ? m/s
Chapter 6 Solutions
College Physics: Explore And Apply, Volume 2 (2nd Edition)
Essential University Physics: Volume 2 (3rd Edition)
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