Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 4, Problem 10A
What is the meaning of freefall?
Expert Solution & Answer
To determine
To explain: The meaning of a free fall.
Explanation of Solution
Introduction:
When an object falls, it is accelerated downward due to gravitational force exerted by theEarth.
Earth attracts every object towards itself with a gravitational force. In free fall,there will be no air resistance and force acting on an object except gravity. During free fall, the acceleration of an object is constant and equal to
Conclusion:
Therefore, free falling objects are those objects which falls under gravity.
Chapter 4 Solutions
Conceptual Physics: The High School Physics Program
Ch. 4 - How can you be both at rest and also moving about...Ch. 4 - You cover 10 meters in a time of 1 second. Is your...Ch. 4 - Does the speedometer of a car read instantaneous...Ch. 4 - Averagespeed=distance covered divided by travel...Ch. 4 - Which is a vector quantity, speed or velocity?...Ch. 4 - What two controls on a car cause a change in...Ch. 4 - What is the acceleration of a car moving along a...Ch. 4 - By how much does the speed of a vehicle moving in...Ch. 4 - Why does the unit of time enter twice in the unit...Ch. 4 - What is the meaning of freefall?
Ch. 4 - For a freely falling object dropped from rest,...Ch. 4 - For a freely falling object dropped from rest,...Ch. 4 - How far will a freely falling object fall from...Ch. 4 - How far will an object move in one second if its...Ch. 4 - How far will a freely falling object have fallen...Ch. 4 - What does the slope of the curve on a...Ch. 4 - What does the slope of the curve on a...Ch. 4 - Does air resistance increase or decrease the...Ch. 4 - What is the appropriate equation for how fast an...Ch. 4 - Jogging Jake runs along a train flatcar that moves...Ch. 4 - Below we see before and after snapshots of a cars...Ch. 4 - These are drawings of Same-size balls of different...Ch. 4 - A track is made of a piece of channel metal bent...Ch. 4 - A ball is released from rest at the left end of...Ch. 4 - In the speed versus time graphs, all times t are...Ch. 4 - Calculate your average walking speed when you step...Ch. 4 - Calculate the speed of a bowling ball that moves 8...Ch. 4 - Calculate your average speed if you run 50 meters...Ch. 4 - Calculate the distance (in km) that Charlie runs...Ch. 4 - Calculate the distance you will travel if you...Ch. 4 - Calculate the distance (in km) you will travel if...Ch. 4 - Calculate the acceleration of a car (in km/h/s)...Ch. 4 - Calculate the acceleration of a bus that goes from...Ch. 4 - Calculate the acceleration of a ball that starts...Ch. 4 - Calculate the instantaneous speed (in m/s) at the...Ch. 4 - Calculate the speed (in m/s) of a skateboarder who...Ch. 4 - Calculate the instantaneous speed of an apple 8...Ch. 4 - On a distant planet a freely-falling object has an...Ch. 4 - A sky diver steps from a high-flying helicopter....Ch. 4 - Calculate the vertical distance an Object dropped...Ch. 4 - An apple drops from a tree and hits the ground in...Ch. 4 - Light travels in a straight line at a constant...Ch. 4 - a. If a freely falling rock were equipped with a...Ch. 4 - Which has more acceleration when moving in a...Ch. 4 - Correct your friend who says, 'The dragster...Ch. 4 - What is the acceleration of a car that moves at a...Ch. 4 - Tiffany stands at the edge of a cliff and throws a...Ch. 4 - A ball is thrown straight up. What will be the...Ch. 4 - Two balls are released simultaneously from rest at...Ch. 4 - Refer to the tracks in the previous problem. a....Ch. 4 - A dragster going at 15 m/s north increases its...Ch. 4 - An apple drops from a tree and hits the ground in...Ch. 4 - On a distant planet a freely falling object has an...Ch. 4 - If you throw a ball straight upward at a speed of...Ch. 4 - Hanna tosses a ball straight up with enough speed...Ch. 4 - Kenny Klutz drops his physics book off his aunts...Ch. 4 - Calculate the hang time of an athlete who jumps a...Ch. 4 - By any method you choose, determine your average...Ch. 4 - You can compare your reaction time with that of a...Ch. 4 - Calculate your personal 'hang time,' the time your...
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