14th Edition

ISBN: 9780133969290

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Chapter 3, Problem 3.82PP

PASSAGE PROBLEMS

BIO BALLISTIC SEED DISPERSAL. Some plants disperse their seeds when the fruit splits and contracts, propelling the seeds through the air. The trajectory of these seeds can be determined with a high-speed camera. In an experiment on one type of plant, seeds are projected at 20 cm above ground level with initial speeds between 2.3 m/s and 4.6 m/s. The launch angle is measured from the horizontal, with +90° corresponding to an initial velocity straight up and −90° straight down.

3.82 The experiment is designed so that the seeds move no more than 0.20 mm between photographic frames. What minimum frame rate for the high-speed camera is needed to achieve this? (a) 250 frames/s; (b) 2500 frames/s; (c) 25.000 frames/s; (d) 250,000 frames/s.

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Chapter 3, Problem 3.81CP

Chapter 3, Problem 3.83PP

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Chapter 3 Solutions

University Physics (14th Edition)

Ch. 3 - A simple pendulum (a mass swinging at the end of a...Ch. 3 - Redraw Fig. 3.11a if a is antiparallel to v1. Does...Ch. 3 - A projectile moves in a parabolic path without air...Ch. 3 - A book slides off a horizontal tabletop. As it...Ch. 3 - At the instant that you fire a bullet horizontally...Ch. 3 - A package falls out of an airplane that is flying...Ch. 3 - Sketch the six graphs of the x- and y-components...Ch. 3 - If a jumping frog can give itself the same initial...Ch. 3 - A projectile is fired upward at an angle above...Ch. 3 - In uniform circular motion, what are the average...

Ch. 3 - In uniform circular motion, how does the...Ch. 3 - In uniform circular motion, the acceleration is...Ch. 3 - Raindrops hitting the side windows of a car in...Ch. 3 - In a rainstorm with a strong wind, what determines...Ch. 3 - You are on the west bank of a river that is...Ch. 3 - A stone is thrown into the air at an angle above...Ch. 3 - A squirrel has x- and y-coordinates (1.1 m, 3.4 m)...Ch. 3 - A rhinoceros is at the origin of coordinates at...Ch. 3 - CALC A web page designer creates an animation in...Ch. 3 - CALC The position of a squirrel running in a park...Ch. 3 - A jet plane is flying at a constant altitude. 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A river flows due south with...Ch. 3 - Crossing the River II. (a) In which direction...Ch. 3 - BIO Bird Migration. Canada geese migrate...Ch. 3 - An airplane pilot wishes to fly due west. A wind...Ch. 3 - CALC A rocket is Tired at an angle from the top of...Ch. 3 - CALC A faulty model rocket moves in the xy-plane...Ch. 3 - CALC If r=bt2i+ct3jwhere b and c are positive...Ch. 3 - CALC The position of a dragonfly that is flying...Ch. 3 - CP A test rocket starting from rest at point A is...Ch. 3 - CALC A bird flies in the .vv-plane with a velocity...Ch. 3 - A sly 1.5-kg monkey and a jungle veterinarian with...Ch. 3 - BIO Spiraling Up. Birds of prey typically rise...Ch. 3 - In fighting forest fires, airplanes work in...Ch. 3 - A movie stuntwoman drops from a helicopter that is...Ch. 3 - An airplane is flying with a velocity of 90.0 m/s...Ch. 3 - A cannon, located 60.0 m from the base of a...Ch. 3 - CP CALC A toy rocket is launched with an initial...Ch. 3 - An important piece of landing equipment must be...Ch. 3 - The longest Home Run. According to Guinness World...Ch. 3 - An Errand of Mercy. An airplane is dropping bales...Ch. 3 - A baseball thrown at an angle of 60.0 above the...Ch. 3 - A water hose is used to fill a large cylindrical...Ch. 3 - A grasshopper leaps into the air from the edge of...Ch. 3 - Figure P3.58 3.58Kicking an Extra Point. In...Ch. 3 - Look Out! A snow-ball rolls off a barn roof that...Ch. 3 - A boy 12.0 m above the ground in a tree throws a...Ch. 3 - Suppose that the boy in Problem 3.60 throws the...Ch. 3 - A rock is thrown with a velocity V0, at an angle...Ch. 3 - Leaping the River II. A physics professor did...Ch. 3 - A 2.7-kg ball is thrown upward with an initial...Ch. 3 - A 76.0-kg rock is rolling horizontally at the top...Ch. 3 - Tossing Your Lunch. Henrietta is jogging on the...Ch. 3 - A cart carrying a vertical missile launcher moves...Ch. 3 - A firefighting crew uses a water cannon that...Ch. 3 - In the middle of the night you are standing a...Ch. 3 - CP Bang! A student sits atop a platform a distance...Ch. 3 - An airplane pilot sets a compass course due west...Ch. 3 - Raindrops. When a trains velocity is 12.0 m/s...Ch. 3 - In a World Cup soccer match, Juan is running due...Ch. 3 - An elevator is moving upward at a constant speed...Ch. 3 - Two soccer players, Mia and Alice, are running as...Ch. 3 - DATA A spring-gun projects a small rock from the...Ch. 3 - DATA You have constructed a hair-spray-powered...Ch. 3 - DATA You are a member of a geological team in...Ch. 3 - CALC A projectile thrown from a point P moves in...Ch. 3 - Two students are canoeing on a river. While...Ch. 3 - CP A rocket designed to place small payloads into...Ch. 3 - PASSAGE PROBLEMS BIO BALLISTIC SEED DISPERSAL....Ch. 3 - BIO BALLISTIC SEED DISPERSAL. Some plants disperse...Ch. 3 - PASSAGE PROBLEMS BIO BALLISTIC SEED DISPERSAL....Ch. 3 - A large number of seeds are observed, and their...

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