Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 3, Problem 34P
To determine
Initial velocity of the dart
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3.00 m,
37P The three vectors in Fig. 3-31 have magnitudes a =
b = 4.00 m, and c =
10.0 m. What are (a) the x component and
(b) the y component of ā; (c) the
x component and (d) the y com-
ponent of b; and (e) the x com-
ponent and (f) the y component
of ĉ? If & = pā + qb, what are
the values of (g) p and (h) q? ilw
30°
a
Fig. 3-31 Problem 37.
The cliff divers of Acapulco push off horizontally from rock
platforms about 35 m above the water, but they must clear
rocky outcrops at water level that extend out into the water
5.0 m from the base of the cliff directly under their launch
point. See Fig. 3-53. What minimum pushoff speed is neces-
sary to clear the rocks? How long are they in the air?
35 m
|5.0 m|
FIGURE 3-53
Problem 64.
2-27. Derive the equation for the range of a projectile fired on level ground,
u* sin 20
R
where R is the range, 0 is the angle of elevation, and u is the initial
velocity. Show that the maximum range is achieved when 0 =
45°.
Chapter 3 Solutions
Physics Fundamentals
Ch. 3 - Prob. 1QCh. 3 - Prob. 2QCh. 3 - Prob. 3QCh. 3 - Prob. 4QCh. 3 - Prob. 5QCh. 3 - Prob. 6QCh. 3 - Prob. 7QCh. 3 - Prob. 8QCh. 3 - Prob. 1PCh. 3 - Prob. 2P
Ch. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Prob. 9PCh. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Prob. 31PCh. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 34PCh. 3 - Prob. 35PCh. 3 - Prob. 36PCh. 3 - Prob. 37PCh. 3 - Prob. 38PCh. 3 - Prob. 39PCh. 3 - Prob. 40PCh. 3 - Prob. 41PCh. 3 - Prob. 42PCh. 3 - Prob. 43PCh. 3 - Prob. 44PCh. 3 - Prob. 45PCh. 3 - Prob. 46PCh. 3 - Prob. 47PCh. 3 - Prob. 48PCh. 3 - Prob. 49PCh. 3 - Prob. 50PCh. 3 - Prob. 51PCh. 3 - Prob. 52PCh. 3 - Prob. 53PCh. 3 - Prob. 54PCh. 3 - Prob. 55P
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