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Problem 7.39 Part A You are watching a hockey game on your digital video recorde

Problem 7.39 Part A You are watching a hockey game on your digital video recorder. Your team's goalie is at rest when he catches a 0.18-kg puck moving straight toward him. The ann…

Problem 7.4 Part A Block A in (Figure 1) is heavier than block B and is sliding

Problem 7.4 Part A Block A in (Figure 1) is heavier than block B and is sliding down the incline. All surfaces have friction. The rope is massless, and the massless pulley turns o…

Problem 7.4 operating Point Given: The 10.4 inch diameter pump shown, with 1760

Problem 7.4 operating Point Given: The 10.4 inch diameter pump shown, with 1760 revolution per minute angular velocity, pumps water through a piping system with a 65 foot static h…

Problem 7.40 A sample of argon gas has a volume of 775mL at a pressure of 1.38at

Problem 7.40 A sample of argon gas has a volume of 775mL at a pressure of 1.38atm and a temperature of 128 degree C. What is the final volume of the gas, in milliliters, when the …

Problem 7.40 Two blocks with different mass are attached to either end of a ligh

Problem 7.40 Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. The masses…

Problem 7.41 The 1.5 kg physics book in figure is connected by a string to a 250

Problem 7.41 The 1.5 kg physics book in figure is connected by a string to a 250 g coffee cup. The book is given a push up the slope and released with a speed of 2.7 m/s. The coef…

Problem 7.42 A slingshot obeying Hooke\'s law is used to launch pebbles vertical

Problem 7.42 A slingshot obeying Hooke's law is used to launch pebbles vertically into the air. You observe that if you pull a pebble back 18.2 cm against the elastic band, the pe…

Problem 7.42 A slingshot obeying Hooke\'s law is used to launch pebbles vertical

Problem 7.42 A slingshot obeying Hooke's law is used to launch pebbles vertically into the air. You observe that if you pull a pebble back 14.8 cm against the elastic band, the pe…

Problem 7.43 Part A A new record for running the stairs of the Empire State Buil

Problem 7.43 Part A A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of 1576 steps, was run in 9 minutes …

Problem 7.43 Part A What is the initial velocity (assumed horizontal) of the bul

Problem 7.43 Part A What is the initial velocity (assumed horizontal) of the bullet? Express your answer using two significant figures. A bullet of mass m 0.0010 kg embeds itself …

Problem 7.43 Your car produces about 36 kW of power to maintain a constant speed

Problem 7.43 Your car produces about 36 kW of power to maintain a constant speed of 34 m/s on the highway. e3hgt session.masteringphysics.com Part A What average force does the en…

Problem 7.45 Part A A radioactive nucleus at rest decays into a second nucleus,

Problem 7.45 Part A A radioactive nucleus at rest decays into a second nucleus, an Determine the magnitude of the momentum of the second (recoiling) nucleus. electron, and a neutr…

Problem 7.45 Part A Determine the magnitude of the momentun of the second (recol

Problem 7.45 Part A Determine the magnitude of the momentun of the second (recoling) nucleus. Express your answer to three significant figures and include the appropriate units. A…

Problem 7.47 A 40-cm-diameter, 500 g beach ball is dropped with a 4.0 mg ant rid

Problem 7.47 A 40-cm-diameter, 500 g beach ball is dropped with a 4.0 mg ant riding on the top. The ball experiences air resistance, but the ant does not. Part A MasteringPhysics:…

Problem 7.48 A 27.0kg child plays on a swing having support ropes that are 220m

Problem 7.48 A 27.0kg child plays on a swing having support ropes that are 220m long. A friend pulls her back until the ropes are 45.0 degree from the vertical and releases her fr…

Problem 7.48 You are designing a delivery ramp for crates containing exercise eq

Problem 7.48 You are designing a delivery ramp for crates containing exercise equipment. The 1670-N crates will move at 1.8 m/s at the top of a ramp that slopes downward at 22.0. …

Problem 7.5 Children in a tree house lift a small dog in a basket 4.80 m up to t

Problem 7.5 Children in a tree house lift a small dog in a basket 4.80m up to their house. Part A If it takes 211J of work to do this, what is the combined mass of the dog and bas…

Problem 7.5 Consider the A2X4 molecule depicted below, where A and X are element

Problem 7.5 Consider the A2X4 molecule depicted below, where A and X are elements. The AA bond length in this molecule is d1, and the four AX bond lengths are each d2.(Figure 1) P…

Problem 7.5 Consider the A2X4 molecule depicted below, where A and X are element

Problem 7.5 Consider the A2X4 molecule depicted below, where A and X are elements. The AA bond length in this molecule is d1, and the four AX bond lengths are each d2.(Figure 1) P…

Problem 7.53 A 0.400 kg potato is tied to a string with length 1.90 m , and the

Problem 7.53 A 0.400 kg potato is tied to a string with length 1.90 m , and the other end of the string is tied to a rigid support. The potato is held straight out horizontally fr…

Problem 7.53 A 0.400 kg potato is tied to a string with length 1.90 m , and the

Problem 7.53 A 0.400 kg potato is tied to a string with length 1.90 m , and the other end of the string is tied to a rigid support. The potato is held straight out horizontally fr…

Problem 7.53 Part A A5.9 kg object moving in the +x direction at 5.5 m/s collide

Problem 7.53 Part A A5.9 kg object moving in the +x direction at 5.5 m/s collides head-on with an 8.5 kg object moving in the- direction at 2.4 m/s Find the final velocity of each…

Problem 7.54 You are designing a delivery ramp for crates containing exercise eq

Problem 7.54 You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1490N will move with speed 1.9m/s at the top of a ramp that slopes do…

Problem 7.54 You are designing a delivery ramp for crates containing exercise eq

Problem 7.54 You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1490N will move with speed 1.9m/s at the top of a ramp that slopes do…

Problem 7.54 You are designing a delivery ramp for crates containing exercise eq

Problem 7.54 You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1490N will move with speed 1.9m/s at the top of a ramp that slopes do…

Problem 7.55 Part A A 177 g block is launc hed by compressing a spring of consta

Problem 7.55 Part A A 177 g block is launc hed by compressing a spring of constant k 200N/m a distance of 15 cm The spring is mounted horizontally, and the surface directly under …

Problem 7.55 Part A Draw the shear Click on .add vertical line or to add discont

Problem 7.55 Part A Draw the shear Click on .add vertical line or to add discontinuity line. Then click on-add segment" button to add the lines, eg. if in your answer the type of …

Problem 7.6 page 216 Number of Beds 250 Total inpatient Admissions 12,250 Total

Problem 7.6 page 216 Number of Beds 250 Total inpatient Admissions 12,250 Total outpatient visits 90,754 Total patient revenues $111,900,050 Outpatient mix 16.2% Medicare payment …

Problem 7.6 page 216 Number of Beds 250 Total inpatient Admissions 12,250 Total

Problem 7.6 page 216 Number of Beds 250 Total inpatient Admissions 12,250 Total outpatient visits 90,754 Total patient revenues $111,900,050 Outpatient mix 16.2% Medicare payment …

Problem 7.60 A l TABLE 7-1 Center of Mass of Parts of Typical Human Body, given

Problem 7.60 A l TABLE 7-1 Center of Mass of Parts of Typical Human Body, given as % (full height and mass = 100 units) Distance of Hinge Hin Points () Points from Floor ( %) Cent…

Problem 7.62 Part A A skier of mass 60.0 kg starts from rest at the top of a ski

Problem 7.62 Part A A skier of mass 60.0 kg starts from rest at the top of a ski slope of height 69.0 nm If frictional forces do -1.02x10 J of work on her as she descends, how fas…

Problem 7.64 Part A Draw the shear diagram for the beam. Follow the sign convent

Problem 7.64 Part A Draw the shear diagram for the beam. Follow the sign convention. (Figure 1) Click on "add vertical line off" to add discontinuity lines. Then click on "add seg…

Problem 7.65 In a truck-loading station at a post office, a small 0.200- surface

Problem 7.65 In a truck-loading station at a post office, a small 0.200- surface? kg package is released from rest at point A on a track that is one-quarter of a circle with radiu…

Problem 7.65 In a truck-loading station at a post office, a small 0.200-kg packa

Problem 7.65 In a truck-loading station at a post office, a small 0.200-kg package is released from rest at point A on a track that is one-quarter of a circle with radius 1.60 m (…

Problem 7.65 Part A At an accident scene on a level road, investigators measure

Problem 7.65 Part A At an accident scene on a level road, investigators measure a car's skid mark to be 98 Im long. It was a rainy day and the coefficient of friction was estimate…

Problem 7.65 Write balanced equations for the following reactions: Part A barium

Problem 7.65 Write balanced equations for the following reactions: Part A barium oxide with water Express your answer as a chemical equation. Identify all of the phases in your an…

Problem 7.66 How many milliliters of 9.00 M KOH must be added to neutralize the

Problem 7.66 How many milliliters of 9.00 M KOH must be added to neutralize the following solutions? Part A a mixture of 0.240 M LiOH (25.0 mL) and 0.200 M HBr (75.0 mL) Express y…

Problem 7.67 Blocks with different masses are pushed against a spring one at a t

Problem 7.67 Blocks with different masses are pushed against a spring one at a time, compressing it different amounts. Each is then launched onto an essentially frictionless horiz…

Problem 7.67 Part A A68-kg person stands on a 6.0-m-long 52-kg What distance d a

Problem 7.67 Part A A68-kg person stands on a 6.0-m-long 52-kg What distance d along the ladder can the person pass without the ladder slipping? Express your answer to two signifi…

Problem 7.68 Part A A compound bow in archery allows the user to hold the bowstr

Problem 7.68 Part A A compound bow in archery allows the user to hold the bowstring at full draw with considerably less force than the maximum force exerted by the string. The dra…

Problem 7.69 An elevator cable breaks when a 900 kg elevator is 22.0 m above the

Problem 7.69 An elevator cable breaks when a 900 kg elevator is 22.0 m above the top of a huge spring (k = 9.00×104 N/m ) at the bottom of the shaft. Part A Calculate the work don…

Problem 7.74 A meteor whose mass was about 2.0×108kgstruck the Earth ( m E=6.0×1

Problem 7.74 A meteor whose mass was about 2.0×108kgstruck the Earth (mE=6.0×1024kg) with a speed of about 25 km/s and came to rest in the Earth. Part A What was the Earth's recoi…

Problem 7.77 Bumper guards. You are asked to design spring bumpers for the walls

Problem 7.77 Bumper guards. You are asked to design spring bumpers for the walls of a parking garage. A freely rolling 1200 kg car moving at 0.750 m/s is to compress the spring no…

Problem 7.78 A small block with mass 0.0500kg slides in a vertical circle of rad

Problem 7.78 A small block with mass 0.0500kg slides in a vertical circle of radius 0.500m on the inside of a circular track. During one of the revolutions of the block, when the …

Problem 7.A company is interviewing potential employees. Suppose that each candi

Problem 7.A company is interviewing potential employees. Suppose that each candidate is either qualified, or unqualified with given probabilities q and 1- q, re- spectively. The c…

Problem 7.Write a one-line MATLAB expression that evaluates to a logical 1 if th

Problem 7.Write a one-line MATLAB expression that evaluates to a logical 1 if the sum of a and b is greater than N, unless b is less than 0. Otherwise the statement should evaluat…

Problem 71-74. A 2.000 g sample of a Ni-Tl-Zn alloy is dissolved in nitric acid

Problem 71-74. A 2.000 g sample of a Ni-Tl-Zn alloy is dissolved in nitric acid and 1.750 g of thallium(I) iodide, TIL is precipitated by the addition of hydriodic acid. Calculate…

Problem 72-4 Penn Campany is in the process of adjusting and carmecting its book

Problem 72-4 Penn Campany is in the process of adjusting and carmecting its books at the end of 2017. In reviewing its records, the following infarmation is compiled. 1. Penn has …

Problem 79 a why is the radius “2a” why is it kq/2a? Charge is supplied to the m

Problem 79 a why is the radius “2a” why is it kq/2a? Charge is supplied to the metal dome of a Van de Graaff ners of a square generator by the belt at the rate oi aupys when the p…

Problem 7: (10 Pointo) citcle the correct ansver is the tollowing tive multiple

Problem 7: (10 Pointo) citcle the correct ansver is the tollowing tive multiple cheice questiona 2) zE, and , sre binary variables where the value 1 signities accept" the project,…