Assignment 7Why is it important to assume that the air resistance is zero when you are calculating the velocity of afreely falling object?A free-falling ball is dropped from a height of 12 meters. What will be its final velocity just before it hitsthe ground?

Answered: Image /qna-images/answer/02656864-42da-46de-aa49-28ff5414bc4c.jpg

Answered: Why is it important to assume that the…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 67A

See similar textbooks

Similar questions

A care package is dropped out of a cargo plane and lands in the forest. If we assume the care package speed on impact is 54 m/s (123 mph), then what is its acceleration? Assume the trees and snow stops it over a distance of 3.0 m.
A basketball referee tosses the ball straight up for the starting tip-off. At what velocity must a basketball player leave the ground to rise 1.25 m above the floor in an attempt to get the ball?
Consider a grey squirrel falling out of a tree to the ground.(a) If we ignore air resistance in this case (only for the sake ofthis problem), determine a squirrel’s velocity just before hittingthe ground, assuming it fell from a height of 3.0 m. (b) If thesquirrel stops in a distance of 2.0 cm through bending itslimbs, compare its deceleration with that of the airman in theprevious problem
A 10-kg rock and a 20-kg rock are dropped from the same height and experience no with significant air resistance. If the 20-kg rock reaches the ground at time T, what time will it take the 10-kg rock to reach the ground?
If a stone is thrown vertically upward with a velocity of 80ft/s, thenits height after t seconds is s = 80t − 16t2. (a) What is the maximumheight reached by the ball?(b) What is the velocity of the ball when it is 96ft above the ground inon its way up? On its way down?
Starting from rest, a crate slides down a frictionless plane If the velocity of theh crate is 34.7 m/s at the bottom of the plane, how high is the top of the plane?
A skydiver ejects from his aircraft and falls 80 m from the ground without friction. Whenhe opens his parachute, he decelerates at 3.5 m/s2. The skydiver hits the ground at 5 m/s.How long was the pilot in the air and at what height did he begin his fall?
Assuming one can neglect air resistance, how fast does a stone dropped from the top of the Eiffel Tower (300 m) reach the ground (g = 10 m / s 2)?
A construction worker ascending at 6.0 m/s in an open elevator 42m above the ground accidentally drops a hammer. Calculate a) the tie needed for the hammer to reach the ground and (b.) its velocity before touching the ground.
You throw a ball vertically upward so that it leaves the ground with velocity 3.55 m/s. SOLVE (D)
Velocity of A anb B
A ball is thrown vertically upward with a speed of 12.0 m/s. (a) How high does it rise?

SEE MORE QUESTIONS

Recommended textbooks for you

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 1

Physics

ISBN:

9781938168277

Author:

William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:

OpenStax - Rice University

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 1

Physics

ISBN:

9781938168277

Author:

William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:

OpenStax - Rice University

SEE MORE TEXTBOOKS

Why is it important to assume that the air resistance is zero when you are calculating the velocity of a freely falling object? A free-falling ball is dropped from a height of 12 meters. What will be its final velocity just before it hits the ground?