A stone is throne vertically upwards from a cliff edge at an initial speed of 10 m/s. Itmisses the clifftop on the way down, ultimately entering the sea. Ignoring airresistance, how long in seconds does it take for it to enter the sea where the clifftopis 210 m above sea level?3.5117.6O 8.95.2O 13

Answered: A stone is throne vertically upwards…

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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Similar questions

A helicopter is ascending vertically with a speed of 5.21 m/sm/s . At a height of 102 mm above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground? [Hint: What is v0v0 for the package?] Express your answer to three significant figures and include the appropriate units.
A classic physics problem states that if a projectile is shot vertically up into the air with an initial velocity of 146 feet per second from an initial height of 89 feet off the ground, then the height of the projectile, hh, in feet, tt seconds after it's shot is given by the equation: h=−16t2+146t+89h=-16t2+146t+89 Find the two points in time when the object is 126 feet above the ground (to one decimal places). Answer: The object is 126 feet off the ground at the following times: (Enter your two answers separated by a comma. Round to ONE decimal places.)
A classic physics problem states that if a projectile is shot vertically up into the air with an initial velocity of 146 feet per second from an initial height of 89 feet off the ground, then the height of the projectile, h, in feet, t seconds after it's shot is given by the equation: h=−16t2+146t+89h=-16t2+146t+89 Find the two points in time when the object is 126 feet above the ground (to one decimal places). Answer: The object is 126 feet off the ground at the following times: (Enter your two answers separated by a comma. Round to ONE decimal places.)
You are on the roof of a Physics Building, 12 m above the ground. Your physics professor, who is 1.72 m tall, is approaching the building at constant speed of 2.07 m/s. If you wish to drop an egg on his head, how far should your professor be when you release the egg?
A man hits a ball 2.4 m above the ground. If the ball leaves his racket with an initial velocity of 52 m/s in a horizontal direction, what is the magnitude of the range (in meters) that the ball covers? Assume the local acceleration due to gravity to have the magnitude 9.8 m/s2.
The height (in meters) of a projectile shot vertically upward from a point 4 m above ground level with an initial velocity of 25.5 m/s is h = 4 + 25.5t − 4.9t2 after t seconds. When does the projectile meet its maximum height and what is its maximum height?
At an air show, a jet plane has velocity components vx= 695km/h and v y =415km/h at time 4.35 s and v x =938km/h and V y =365km/h at time 7.52s. A)For this time interval, find the xxx component of the plane's average acceleration. b)For this time interval, find the yyy component of the plane's average acceleration. C)For this time interval, find the magnitude of its average acceleration. D)For this time interval, find the direction of its average acceleration.
You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is 1.79 m tall, is approaching the building at constant speed of 1.23 m/s. If you wish to drop an egg on his head, how far should your professor be when you release the egg? do not round off
A helicopter is ascending vertically with a speed of 5.04 m/s . At a height of 124 m above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground? [Hint: What is v0 for the package?] Express your answer to three significant figures and include the appropriate units.
Now, the target moved further away and the sniper must compensate, primarily adjusting the angle of its rifle. If the new angle is now 21∘ but everything remains the same (150m high building, 1800km/h initial velocity), which of the following solution will provide the time for the bullet to reach the maximum height? a.) (500sin21)/9.81 b.) (500cos21)/9.81 c.) (1800cos21)/9.81
A regulation volleyball court measures L = 18.0 meters in length and d = 2.43 meters in height. A volleyball player hits the ball from a height of h = 1.50 m just over the backline, and the initial velocity of the ball creates an angle of q = 30° with the ground. At what initial speed must the ball be struck such that it barely clears the net?

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