You drop a 2.20 kg book to a friend who stands on the ground at distance D = 15.0 m below. Your friend's outstretched hands are at distance d = 1.30 m above the ground (see the figure). (a) What is the speed of the book when it reaches her hands? (b) If we %3D %3D substituted a second book with twice the mass, what would its speed be when it reaches her hands? (c) If, instead, the book were thrown down with initial speed 6.80 m/s, what would be the answer to (a)? D (a) Number i Units (b) Number i Units (c) Number i Units
You drop a 2.20 kg book to a friend who stands on the ground at distance D = 15.0 m below. Your friend's outstretched hands are at distance d = 1.30 m above the ground (see the figure). (a) What is the speed of the book when it reaches her hands? (b) If we %3D %3D substituted a second book with twice the mass, what would its speed be when it reaches her hands? (c) If, instead, the book were thrown down with initial speed 6.80 m/s, what would be the answer to (a)? D (a) Number i Units (b) Number i Units (c) Number i Units
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 8CQ: A bottle rocket is shot straight up in the air with a speed 30 m/s. if the air resistance is...
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![You drop a 2.20 kg book to a friend who stands on the ground at distance D = 15.0 m below. Your friend's outstretched hands are at
distance d = 1.30 m above the ground (see the figure). (a) What is the speed of the book when it reaches her hands? (b) If we
%3D
%3D
substituted a second book with twice the mass, what would its speed be when it reaches her hands? (c) If, instead, the book were
thrown down with initial speed 6.80 m/s, what would be the answer to (a)?
D
(a) Number
i
Units
(b) Number
i
Units
(c) Number
i
Units](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fe1d0e3-72df-4e14-856d-10616044c3b8%2F80e750a3-3abb-48d6-b9db-aaf132b8689f%2Fm5ori1_processed.png&w=3840&q=75)
Transcribed Image Text:You drop a 2.20 kg book to a friend who stands on the ground at distance D = 15.0 m below. Your friend's outstretched hands are at
distance d = 1.30 m above the ground (see the figure). (a) What is the speed of the book when it reaches her hands? (b) If we
%3D
%3D
substituted a second book with twice the mass, what would its speed be when it reaches her hands? (c) If, instead, the book were
thrown down with initial speed 6.80 m/s, what would be the answer to (a)?
D
(a) Number
i
Units
(b) Number
i
Units
(c) Number
i
Units
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