9. A 6 feet tall cadet standing on the bridge of a ship throws a bolt vertically upwards with aninitial velocity of 18 m/s. how a) high will it go? b)what is the time it takes to reach themaximum height?c( if the bolt misses the railing and goes down to the water below (which ishe approximate to be 26 m in height from the railing) what is the total distance travelled by thebolt as it reaches the surface of the water?10. A midshipwoman catches a ball 2.50s after throwing it vertically upward. With what speed didshe throw it, and at what height did it reach

Answered: Image /qna-images/answer/dc36b58a-bfe7-4b94-9d9a-b41c13c7ceb6.jpg

Answered: 9. A 6 feet tall cadet standing on the…

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 stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 12 m/s. A stopwatch measures the stone's trajectory time from the top of the cliff to the bottom at 5.6 s. What is the height of the cliff? O 249.9 m O 188.0 m 610.5 m O 120.2 m
SITUATION 1. The position of a particle in rectilinear motion is defined by the relation x = t³ - 2t² + 10t6, where x is in meters and t is in seconds. a. Determine the position at t = 3sec. b. Determine the velocity during t = 3sec. c. Determine the acceleration during t = 3sec.
Christopher watches a stick float downstream in a river and notices that it moves 15 m [El in a time of 2.5 x 10' s. His friend, John, is starting on the south side of the river and is going to swim across. In still water, John knows that he can swim with a speed of 1.2 m/s, relative to the water. a) What is John's velocity relative to the shore? b) If the river is 1.5 km wide, how long will it take John to cross the river? c) How far downstream will be land?
A cannonball is launched horizontally off a 40 m high castle wall with a speed of 35 m/s. a) How long will the cannonball be in flight before striking the ground? seconds b) What is the range of the cannonball?
Particle A has m=10.0g, RA=(4.0, 0.0)m, VA-(-1.0, 2.0)m/s. Particle B has m=5.0g, R0.0, 6.0)m, VB (1.0,-1.0)m/s. A) What is the position of B relative to A? What is the velocity of B relative to A? B) What is the angle between the two relative vectors that you calculated in A)? C) What is the significance of this result? D) What is the momentum of each particle? E) What is the angular momentum of A about the origin? F) If these particles collided, what would be conserved, and under what circumstances?
Two buses start at the same time towards each other from terminals A and B, 8 km apart. The time needed for the first bus to travel from A to B is 8 minutes and of the second bus B to A is 10 minutes. How much time is needed by each bus to meet each other if they traveled at their respective uniform speeds. In what distance from A, in meters, the bus will meet?
6. Superman slams head-on into a train moving at 16 m/s. He brings the train to a stop in an incredible 1/10³s, thereby saving the love of his Kryptonite wife, Lois Lane who was tied to the railroad tracks. Lois was just 10 m down the tracks from the point where superman struck the train. What is the deceleration of the train? a. -16 x 10² m/s² b. -1.6 x 10³ m/s² c. -16 x 104 m/s² d. -1.6 x 104 m/s² 7. Refer to problem #7, How far from Lois did the "The Man of Steel" finally stop the train? a. 2 x 10⁰ m b. 8 x 10-³m c.1.6 x 10-²m d. 8 x 10-²
Questions #5-7
A physics book slides off a horizontal tabletop with a speed of 68 cm/s. It strikes the floor in 0.250 s. Ignore air resistance. Find, a.) the height of tabletop above the floor. b.) the horizontal distance from the edge of the table to the point where the book strikes the floor. c.) the horizontal and vertical components of the book's velocity, and the magnitude and direction of its velocity, just before the book reaches the floor.
15. A ball is hit upward with an initial velocity of 128 feet per second. After t seconds, its height h(t) is given by the function h(t) = -16t?+128t+4. What is the maximum height in feet of the ball? a. 268 feet b. 256 feet C. 264 feet d. 260 feet

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