A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life preserver straight down to the victim with an initial velocity of 2.28 m/s and observes that it takes2.3 s to reach the water.(a) List the knowns in this problem. (Select all that apply.)ДуV(b) How high (in m) above the water was the preserver released? Note that the downdraft of the helicopter reduces the effects of air resistance on the falling life preserver, so that an accelerationequal to that of gravity is reasonable.:0000 O

Name: A rescue helicopter is hovering over a person whose boat has sunk. On
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life preserver straight down to the victim with an initial velocity of 2.28 m/s and observes that it takes2.3 s to reach the water.(a) List the knowns in

Answered: Image /qna-images/answer/8f37814a-6442-4238-81c7-8bee2f59ab3a.jpg

Science

Physics

A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life preserver straight down to the victim with an initial velocity of 2.28 m/s and observes that it takes 2.3 s to reach the water. (a) List the knowns in this problem. (Select all that apply.) Ду O a Vo (b) How high (in m) above the water was the preserver released? Note that the downdraft of the helicopter reduces the effects of air resistance on the falling life preserver, so that an acceleration equal to that of gravity is reasonable.

A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life preserver straight down to the victim with an initial velocity of 2.28 m/s and observes that it takes 2.3 s to reach the water. (a) List the knowns in this problem. (Select all that apply.) Ду O a Vo (b) How high (in m) above the water was the preserver released? Note that the downdraft of the helicopter reduces the effects of air resistance on the falling life preserver, so that an acceleration equal to that of gravity is reasonable.

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter2: Newtonian Mechanics-single Particle

Section: Chapter Questions

Problem 2.6P: In the blizzard of ’88, a rancher was forced to drop hay bales from an airplane to feed her cattle....

See similar textbooks

Similar questions

A player passes a basketball to another player who catches it atthe same level from which it was thrown. The initial speed of theball is 7.1 m>s, and it travels a distance of 4.6 m. What were (a) theinitial direction of the ball and (b) its time of flight?
In the blizzard of ’88, a rancher was forced to drop hay bales from an airplane to feed her cattle. The plane flew horizontally at 160 km/hr and dropped the bales from a height of 80 m above the flat range, (a) She wanted the bales of hay to land 30 m behind the cattle so as to not hit them. Where should she push the bales out of the airplane? (b) To not hit the cattle, what is the largest time error she could make while pushing the bales out of the airplane? Ignore air resistance.
A balloon is ascending with a velocity of v = 3.09 when a stone is released.If the height at the time of release is h = 441, how long does it take thestone to reach the ground? Present two solutions with different referencepoints. Thanks
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.80 m above the pool. How long are her feet in the air? Answer in 2 decimal places. What is her highest point above the board? Answer in 2 decimal places. What is her velocity when her feet hit the water? Answer in 2 decimal places.
The world long jump record is 8.95m. Treated as a projectile, what is the maximum range obtainable by a person if he has a take off speed of 9.5m/s? Assume the motion is on level ground and the angle is 45 degrees.
A flaming digital air rocket is launched vertically upwards, and is in the air for a total (up and down) of 5.22 s, before striking the ground again. At what velocity was it launched? What height did it reach? What was its velocity at an elevation of 17.0 m as it was going down?
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.)
a certain handgun with a muzzle velocity of 325 m/s is fired straight up. neglecting air resistance, how long will it take for the bullet to fall back to hit the shooter in the head?
A rifle, at a height H above the ground, fires a bullet parallel to the ground. Atthe same instant and at the same height, a second bullet is dropped from rest. In the absence of air resistance, which bullet, if either, strikes the ground first?
A photographer inside a helicopter descending vertically at 15m/s at an altitude of 55 m accidentally drops his camera. How long will it take the camera to reach the ground?
A fireworks rocket explodes at a height of 42.0 m , producing fragments with velocities ranging from 8.68 m/s downward to 16.7 m/s upward. Over what time interval are fragments hitting the ground? Needs Complete solution with 100 % accuracy.
a rocket initially at rest, is fired vertically with an upward acceleration of 10ms/s. at an altitude of 0.5km, the engine of the rocket cuts off. what is the maximum altitude reached by the rocket ?