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Question Part Points Submissions Used A driver travels northbound on a highway a

Question Part Points Submissions Used A driver travels northbound on a highway at a speed of 22.0 m/s. A police car, traveling southbound at a speed of 42.0 m/s, approaches with i…

Question Part Points Submissions Used A driver travels northbound on a highway a

Question Part Points Submissions Used A driver travels northbound on a highway at a speed of 22.0 m/s. A police car, traveling southbound at a speed of 42.0 m/s, approaches with i…

Question Part Points Submissions Used A garden hose is attached to a water fauce

Question Part Points Submissions Used A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. The water faucet is turned on, but the nozzle is …

Question Part Points Submissions Used A group of students, performing the same \

Question Part Points Submissions Used A group of students, performing the same "Uniform Circular Motion" experiment that you performed in lab, obtained the following results. r (m…

Question Part Points Submissions Used A group of students, performing the same \

Question Part Points Submissions Used A group of students, performing the same "Uniform Circular Motion" experiment that you performed in lab, obtained the following results. r (m…

Question Part Points Submissions Used A helium-neon laser can produce a green la

Question Part Points Submissions Used A helium-neon laser can produce a green laser beam instead of a red one. The figure below shows the transitions involved to form the red beam…

Question Part Points Submissions Used A horse is harnessed to a sled having a ma

Question Part Points Submissions Used A horse is harnessed to a sled having a mass of 241 kg, including supplies. The horse must exert a force exceeding 1230 N at an angle of 38.3…

Question Part Points Submissions Used A hot-air balloon is rising upward with a

Question Part Points Submissions Used A hot-air balloon is rising upward with a constant speed of 2.50 m/s. When the balloon is 3.50 m above the ground, the balloonist accidentall…

Question Part Points Submissions Used A house has a floor area of 112 m2 and an

Question Part Points Submissions Used A house has a floor area of 112 m2 and an outside wall that has an area of 27 m2. The earth's magnetic field here has a horizontal component …

Question Part Points Submissions Used A long, straight wire is surrounded by a h

Question Part Points Submissions Used A long, straight wire is surrounded by a hollow metal cylinder whose axis coincides with that of the wire. The wire has a charge per unit len…

Question Part Points Submissions Used A man pushing a crate of mass m = 92.0 kg

Question Part Points Submissions Used A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal surface of length = 0.65 m as in the figu…

Question Part Points Submissions Used A musician plays a string on a guitar that

Question Part Points Submissions Used A musician plays a string on a guitar that has a fundamental frequency of 330.0 Hz. The string is 65.2 cm long and has a mass of 0.268 g. (a)…

Question Part Points Submissions Used A nonconducting sphere has mass 76.8 g and

Question Part Points Submissions Used A nonconducting sphere has mass 76.8 g and radius 20.4 cm. A flat, compact coil of wire with seven turns is wrapped tightly around it, with e…

Question Part Points Submissions Used A parallel-plate capacitor has capacitance

Question Part Points Submissions Used A parallel-plate capacitor has capacitance C0 = 8.00 pF when there is air between the plates. The separation between the plates is 1.20 mm. (…

Question Part Points Submissions Used A person notices a mild shock if the curre

Question Part Points Submissions Used A person notices a mild shock if the current along a path through the thumb and index finger exceeds 70 Question Part Points Submissions Used…

Question Part Points Submissions Used A pilot flies a plane at a speed of 750 km

Question Part Points Submissions Used A pilot flies a plane at a speed of 750 km/h with respect to the surrounding air. A wind is blowing to the northeast at a speed of 80 km/h. I…

Question Part Points Submissions Used A pilot flies a plane at a speed of 750 km

Question Part Points Submissions Used A pilot flies a plane at a speed of 750 km/h with respect to the surrounding air. A wind is blowing to the northeast at a speed of 80 km/h. I…

Question Part Points Submissions Used A place-kicker must kick a football from a

Question Part Points Submissions Used A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar…

Question Part Points Submissions Used A playground is on the flat roof of a city

Question Part Points Submissions Used A playground is on the flat roof of a city school, 5.6 m above the street below (see figure). The vertical wall of the building is h = 6.90 m…

Question Part Points Submissions Used A playground is on the flat roof of a city

Question Part Points Submissions Used A playground is on the flat roof of a city school, 5.6 m above the street below (see figure). The vertical wall of the building is h = 6.90 m…

Question Part Points Submissions Used A proton moves at 0.670 c . (a) Calculate

Question Part Points Submissions Used A proton moves at 0.670c. (a) Calculate its rest energy. MeV (b) Calculate its total energy. MeV (c) Calculate its kinetic energy. MeV Questi…

Question Part Points Submissions Used A rectangular block of copper has sides of

Question Part Points Submissions Used A rectangular block of copper has sides of length 9 cm, 21 cm, and 33 cm. If the block is connected to a 7.0 V source across two of its oppos…

Question Part Points Submissions Used A river flows with a current of 5.5 mi/h d

Question Part Points Submissions Used A river flows with a current of 5.5 mi/h directly south. A small boat has a maximum speed in still water (i. e., on a quiet lake) of 11 mi/h.…

Question Part Points Submissions Used A sample of 25 pieces of laminate used in

Question Part Points Submissions Used A sample of 25 pieces of laminate used in the manufacture of circuit boards was selected, and the amount of warpage (in.) under particular co…

Question Part Points Submissions Used A series circuit contains a 5.0/p-H induct

Question Part Points Submissions Used A series circuit contains a 5.0/p-H inductor, a 5.0/p - µF capacitor, and a 30.0-O resistor connected to a 120-V (rms) source of variable fre…

Question Part Points Submissions Used A simple pendulum consists of circular bob

Question Part Points Submissions Used A simple pendulum consists of circular bob that is attached to the end of a massless straight rod. The mass of the bob is m = 2.05 kg . The l…

Question Part Points Submissions Used A simple pendulum consists of circular bob

Question Part Points Submissions Used A simple pendulum consists of circular bob that is attached to the end of a massless straight rod. The mass of the bob is m = 2.05 kg . The l…

Question Part Points Submissions Used A small block is released from rest at the

Question Part Points Submissions Used A small block is released from rest at the top of a frictionless incline. The block travels a distance 0.388 m in the first second after it i…

Question Part Points Submissions Used A small circular loop of wire of radius 5.

Question Part Points Submissions Used A small circular loop of wire of radius 5.0 cm and resistance R = 1.1 10-3 is centered inside a large circular loop of wire of radius 50 cm (…

Question Part Points Submissions Used A vinyl record plays at33.3rpm. Assume it

Question Part Points Submissions Used A vinyl record plays at33.3rpm. Assume it takes8s for it to reach this full speed, starting from rest. (a) What is its angular acceleration d…

Question Part Points Submissions Used A(n) 1.2-kg copper block is given an initi

Question Part Points Submissions Used A(n) 1.2-kg copper block is given an initial speed of 4.5 m/s on a rough horizontal surface. Because of friction, the block finally comes to …

Question Part Points Submissions Used An astronaut is traveling in a space vehic

Question Part Points Submissions Used An astronaut is traveling in a space vehicle that has a speed of 0.535c relative to Earth. The astronaut measures his pulse rate at 82.5 per …

Question Part Points Submissions Used An86.3kg student who has just studied matt

Question Part Points Submissions Used An86.3kg student who has just studied matter waves is concerned that he may be diffracted as he walks through a doorway that is73cm across an…

Question Part Points Submissions Used Andrew plans to retire in 40 years. He is

Question Part Points Submissions Used Andrew plans to retire in 40 years. He is thinking of investing his retirement funds in stocks, so he seeks out information on past returns. …

Question Part Points Submissions Used As an aid in working this problem, consult

Question Part Points Submissions Used As an aid in working this problem, consult Concept Simulation 9.4. By means of a rope whose mass is negligible, two blocks are suspended over…

Question Part Points Submissions Used At takeoff a commercial jet has a 50.0 m/s

Question Part Points Submissions Used At takeoff a commercial jet has a 50.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how many rpm are the tires rotating? 1193.7 In…

Question Part Points Submissions Used At takeoff a commercial jet has a 50.0 m/s

Question Part Points Submissions Used At takeoff a commercial jet has a 50.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how many rpm are the tires rotating? 1193.7 In…

Question Part Points Submissions Used Before 1918, approximately 55% of the wolv

Question Part Points Submissions Used Before 1918, approximately 55% of the wolves in the New Mexico and Arizona region were male, and 45% were female. However, cattle ranchers in…

Question Part Points Submissions Used Besides the gravitational force, a 2.75-kg

Question Part Points Submissions Used Besides the gravitational force, a 2.75-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experie…

Question Part Points Submissions Used Early in the morning, when the temperature

Question Part Points Submissions Used Early in the morning, when the temperature is 5.0 Question Part Points Submissions Used Early in the morning, when the temperature is 5.0 Que…

Question Part Points Submissions Used Example 3.1 Polar Coordinates Finding pola

Question Part Points Submissions Used Example 3.1 Polar Coordinates Finding polar coordinates when Cartesian coordinates are given (not drawn to scale). The Cartesian coordinates …

Question Part Points Submissions Used Example 3.4 The Resultant Displacement A p

Question Part Points Submissions Used Example 3.4 The Resultant Displacement A particle undergoes three consecutive displacements: ? 1 = (2.7 + 7.0 + 1.7) cm, ?2 = (23 - 14 - 5.0)…

Question Part Points Submissions Used Find the Maclaurin series for f(x) using t

Question Part Points Submissions Used Find the Maclaurin series for f(x) using the definition of a Maclaurin series. [Assume that f has a power series expansion. Do not show that …

Question Part Points Submissions Used Find the functions f g , g f , f f , and g

Question Part Points Submissions Used Find the functions f g, g f, f f, and g g and their domains. f(x) = 4x + 5,    g(x) = 5x 1 Question Part Points Submissions Used Question Par…

Question Part Points Submissions Used Find the limit. (If an answer does not exi

Question Part Points Submissions Used Find the limit. (If an answer does not exist, enter DNE.) lim x??9+ x + 10 x + 9 Question Part Points Submissions Used Question Part Points S…

Question Part Points Submissions Used Gold is the most ductile of all metals. Fo

Question Part Points Submissions Used Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.05 km long. What is the resistance of such a…

Question Part Points Submissions Used Household electricity in a particular coun

Question Part Points Submissions Used Household electricity in a particular country is supplied in the form of alternating current that varies from 165 V to 165 V with a frequency…

Question Part Points Submissions Used In Fig. 19-56 (same as Fig. 19-20a), the t

Question Part Points Submissions Used In Fig. 19-56 (same as Fig. 19-20a), the total resistance is 12 k?, and the battery's emf is 29.0 V. If the time constant is measured to be 3…

Question Part Points Submissions Used In a Compton scattering experiment, an x -

Question Part Points Submissions Used In a Compton scattering experiment, an x-ray photon scatters through an angle of 18.0 Question Part Points Submissions Used Question Part Poi…

Question Part Points Submissions Used In a study of the effectiveness of a fabri

Question Part Points Submissions Used In a study of the effectiveness of a fabric device that acts like a support stocking for a weak or damaged heart, 110 people who consented to…