College Physics: A Strategic Approach (4th Edition)

Chapter 6

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The direction of the acceleration is perpendicular... more

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The time period T  of an object in a circular ... more

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The tension in the string is equal to the ... more

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The normal force n is equal to the apparent weight... more

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The time period is not dependent on the mass, and ... more

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The acceleration because of the gravity of a ... more

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The moon takes one month to complete one ... more

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Disagree. The direction of the velocity of the ... more

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Speed is the magnitude of the velocity, which is ... more

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When a plane banks on one side, the upward lift ... more

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The vine breaks at the bottom of the swing because... more

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Small birds have lower mass, and hence, the work ... more

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The mud flies off because of the centrifugal force... more

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The tension is greater than the weight of the ball... more

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The riders on the roller coaster are moving faster... more

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C, because the apparent weight of the car is less ... more

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The apparent weight of the car's driver will be ... more

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Because of the sudden centripetal force acting on ... more

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The apparent weight will be greater than the true ... more

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The centripetal acceleration increases from a ... more

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Because on the poles, an object does not ... more

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Because, the space station is in free fall and ... more

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The force of attraction between the objects is ... more

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Because the force of gravity decreases as distance... more

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The centripetal force required to orbit around the... more

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The force is four times smaller than the force . ... more

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If the net direction of force is A, then the car ... more

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The centrifugal acceleration of the vehicle with ... more

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For the centripetal acceleration of the weight to ... more

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When the coefficient of friction is changed, the ... more

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The centripetal acceleration is given by . ... more

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Let the orbital speed of satellite of earth be , ... more

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The free fall acceleration at the surface of the ... more

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The free fall acceleration at the surface of the ... more

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For the time period to be increased with the ... more

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The time period of an orbit is related to the ... more

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; The radius of the equipment , is given by ... more

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; Substitute radius of the Earth and period of ... more

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1.36 rpm  ; The radius of the wheels is and the ... more

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34 rpm ; The acceleration is and the radius of ... more

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  ; Calculate the speed v of the runner using the ... more

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; The tension provides the necessary centripetal ... more

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1.835 ; To find the coefficient of static friction... more

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 0.734  ; To find the coefficient of static ... more

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 18750N , Inward to the center of the circular ... more

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; As a prelude to finding the force, convert the ... more

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The steel box will slide for any speed greater ... more

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3.55 N ; As a prelude to calculating the apparent ... more

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272 N ; According to Newton's second law, net ... more

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12 m/s ; According to Newton's laws, the net force... more

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472.45 N ; According to Newton's law, the net ... more

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14.86 m/s ; According to Newton's law, the net ... more

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19.8 m/s  ; According to Newton's law, the net ... more

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0.78 ; Speed of the car The radius of the ... more

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7 mm ; The spring constant of each spring can be ... more

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1.58 m/s2 ; The satellite period is converted into... more

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99 min ; Mars' satellite orbit radius is and ... more

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0.5 ; Represent the mass of the star as Mstar and ... more

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10 m/s2 ; The mass of the two planets is m1 and m2... more

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; Represent the mass of a human as m, mass of the... more

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; The thrust applied should be able to cancel out... more

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3.86 m/s2 ; Represent the mass of planet J as and... more

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; Represent the mass of the two spheres as and ... more

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The value of is possible because even though the ... more

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14.63 days ; To find the orbital period, ... more

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4 ; Convert the distance between Mars and the ... more

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0.108 ; Convert the distance between Mars and its ... more

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; Find the equations for the orbital periods of ... more

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1600 days ; Let the orbital radius of planet X be... more

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; Find the distance between the Earth's surface ... more

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; Equate the gravitational force with the ... more

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0.04 au ; The expression for the orbital time is ... more

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1.015 ; The expression for the orbital time is ... more

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10.78 hours ; Evaluate the mass and the distance ... more

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; from the east to the west ; Since the object is ... more

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; At points A, B, and C, the car is traveling in ... more

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The apparent weight of the man at the North Pole ... more

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9508.38 N ; To calculate the centrifugal force on... more

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; To find the maximum speed of the car without ... more

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151 % ; When the runner is running in a straight ... more

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0.67 ; The force which causes the quoll to run in ... more

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1.132 ; To find the coefficient of friction, ... more

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; To find the velocity, equate the frictional ... more

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6.64 m/s ; The radius r can be calculated using ... more

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; .The speed of the carousel is evaluated by ... more

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No ; There are 4 forces acting on the coin as seen... more

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24.4 rpm.  ; . The friction should cancel out the ... more

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5.4 m/s ; Mass of the block is M = 1.2 kg .Mass of... more

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  ; The net force on the car will be equal to the... more

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  ; The angular speed of the centrifuge is given ... more

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  ; Free fall acceleration at the mountain ... more

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; The acceleration due to gravity is given by the... more

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1.0 s ; Calculate the acceleration due to gravity ... more

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(11.7 cm, 0 cm) and (68.3 cm, 0 cm). ; Consider ... more

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; Calculate the total orbital period time of moon... more

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0.966 m/s. ; The radius is equal to half the ... more

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If the net force is away from the surface of the ... more

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To find the free fall acceleration gm, substitute... more

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The centripetal force is the force that is ... more

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The rocket will push the satellite further in the ... more

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