EBK MATTER+INTERACTIONS:COMPLETE
4th Edition
ISBN: 9781119080817
Author: CHABAY
Publisher: WILEY CONS
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Chapter 6.17, Problem 18CP
To determine
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The systems shown below are in equilibrium. If the spring scales are calibrated in newtons, what do they read? Ignore the masses
of the pulleys and strings and assume the pulleys and the incline are frictionless. (Let m = 2.19 kg and € = 29.0°.)
scale in (a)
N
N
scale in (b)
scale in (c)
N
scale in (d)
N
a
C
m
m
m
m
m
b
d
m
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An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 3.10 kg.)
m
m
T₁
T2
(a) The elevator ascends with an acceleration of magnitude 2.00 m/s². What are the tensions in the two strings? (Enter your
answers in N.)
=
N
T₁
Τι
=
N
(b) The maximum tension the strings can withstand is 78.8 N. What is the maximum acceleration of the elevator so that a
string does not break? (Enter the magnitude in m/s².)
m/s²
(a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.85 x 100 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.20 x 10-5 T?
4.27e3
m/s
(b) What would the radius (in m) of the path be if the proton had the same speed as the electron?
7.85e6
x m
(c) What would the radius (in m) be if the proton had the same kinetic energy as the electron?
195.38
x m
(d) What would the radius (in m) be if the proton had the same momentum as the electron?
3.7205
m
Chapter 6 Solutions
EBK MATTER+INTERACTIONS:COMPLETE
Ch. 6.2 - An electron has mass 9 × 10−31 kg. If the...Ch. 6.2 - Prob. 2CPCh. 6.3 - A paper airplane flies from position ⟨6, 10, −3⟩ m...Ch. 6.3 - In each of the following cases state whether the...Ch. 6.3 - You push a heavy crate out of a carpeted room and...Ch. 6.4 - EXAMPLE
Figure 6.18 Throwing a ball.
Throwing a...Ch. 6.4 - In the preceding example, at the final speed,...Ch. 6.5 - Prob. 8CPCh. 6.7 - Prob. 9CPCh. 6.8 - Prob. 10CP
Ch. 6.8 - Prob. 11CPCh. 6.9 - Prob. 12CPCh. 6.10 - Prob. 13CPCh. 6.10 - Prob. 14CPCh. 6.10 - Prob. 15CPCh. 6.12 - Prob. 16CPCh. 6.12 - Prob. 17CPCh. 6.17 - Prob. 18CPCh. 6 - Prob. 1QCh. 6 - Give brief explanations for your answers to each...Ch. 6 - You pull a block of mass m across a frictionless...Ch. 6 - One often hears the statement, “Nuclear energy...Ch. 6 - Figure 6.76 shows the path of a comet orbiting a...Ch. 6 - Figure 6.77 is a graph of the energy of a system...Ch. 6 - A particle moves inside a circular glass tube...Ch. 6 - Show the validity of the relation when m ≠ 0, by...Ch. 6 - It is not very difficult to accelerate an electron...Ch. 6 - A pitcher can throw a baseball at about 100 mi/h...Ch. 6 - What is the speed of an electron whose total...Ch. 6 - The point of this question is to compare rest...Ch. 6 - The point of this question is to compare rest...Ch. 6 - A runner whose mass is 60 kg runs in the +x...Ch. 6 - A baseball of mass 144 g has a velocity of ⟨22,...Ch. 6 - One mole of helium atoms has a mass of 4 grams. If...Ch. 6 - You throw a ball of mass 160 g upward (Figure...Ch. 6 - A fan cart of mass 0.8 kg initially has a velocity...Ch. 6 - You push a crate 3 m across the floor with a 40 N...Ch. 6 - You pull your little sister across a flat snowy...Ch. 6 - A 2-kg ball rolls off a 30-m-high cliff, and lands...Ch. 6 - A boat is coasting toward a dock you’re standing...Ch. 6 - A jar of honey with a mass of 0.5 kg is nudged off...Ch. 6 - A constant force ⟨23, −12, 32⟩ N acts through a...Ch. 6 - One end of a spring whose spring constant is 20...Ch. 6 - An electron traveling through a curving wire in an...Ch. 6 - You bring a boat toward the dock by pulling on a...Ch. 6 - You push a box out of a carpeted room and along a...Ch. 6 - A ball of mass 0.7 kg falls downward, as shown in...Ch. 6 - A lithium nucleus has mass 5.1 × 10−27 kg. If its...Ch. 6 - A space probe in outer space has a mass of 111 kg,...Ch. 6 - An object with mass 100 kg moved in outer space....Ch. 6 - Outside the space shuttle, you and a friend pull...Ch. 6 - A crate with a mass of 100 kg glides through a...Ch. 6 - An object with mass 120 kg moved in outer space...Ch. 6 - An object with mass 120 kg moved in outer space....Ch. 6 - Jack and Jill are maneuvering a 3000 kg boat near...Ch. 6 - An electron traveling at a speed 0.99c encounters...Ch. 6 - A mass of 0.12 kg hangs from a vertical spring in...Ch. 6 - Prob. 43PCh. 6 - A proton (1.6726 × 10−27 kg) and a neutron (1.6749...Ch. 6 - Many heavy nuclei undergo spontaneous “alpha...Ch. 6 - You throw a ball straight up, and it reaches a...Ch. 6 - A 1 kg block rests on the Earth’s surface. How...Ch. 6 - An object with mass 7 kg moves from a location...Ch. 6 - Prob. 52PCh. 6 - Use energy conservation to find the approximate...Ch. 6 - Under certain conditions the interaction between a...Ch. 6 - (a) A 0.5 kg teddy bear is nudged off a window...Ch. 6 - You throw a ball of mass 1.2 kg straight up. You...Ch. 6 - Suppose that a pitcher can throw a ball straight...Ch. 6 - Prob. 58PCh. 6 - Prob. 59PCh. 6 - The escape speed from an asteroid whose radius is...Ch. 6 - The escape speed from a very small asteroid is...Ch. 6 - Prob. 62PCh. 6 - A spacecraft is coasting toward Mars. The mass of...Ch. 6 - Prob. 64PCh. 6 - Prob. 65PCh. 6 - You stand on a spherical asteroid of uniform...Ch. 6 - Prob. 67PCh. 6 - Prob. 68PCh. 6 - A pendulum (see Figure 6.84) consists of a very...Ch. 6 - Prob. 70PCh. 6 - Prob. 71PCh. 6 - Four protons, each with mass M and charge +e, are...Ch. 6 - Prob. 74P
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