Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 5, Problem 5PLA
To determine
The intercept of the straight line.
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v sin 20
gives the distance x travelled (in feet) by a projectile launched from
32
The formula r% =
the ground, with initial velocity v (in feet/sec) and initial angle 0 (in radians or degrees).
a. Write an expression for the total differential in x.
b. Use the total differential to estimate the error in calculating the range of a projectile with
initial velocityv 100 ft/sec and initial angle 0= 50 degrees, with measurement errors of dv
= t10 ft/sec (for velocity) and d6==5 degrees (for the initial angle). (Note: remember to
use radians for the differential in 0.)
Please solve the following
A man leaves his front door, walks 1000 ft east, 2000 ft north, and then takes a penny from his pocket and drops it from a cliff 500 ft
Set up a coordinate system and write down an expression, using unit vectors, for the displacement of the
The man then returns to his front door, following a different path on the return trip. What is his resultant displacement for the round trip?
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