## Question

###### A uniform beam having a mass of 28 kg and a length of 5.9 m is held in place at its lower end by a pin: Its upper end leans against a vertical frictionless wall where the angle between the beam and horizontal surface is 51 degrees as shown in the figure: What is the magnitude of the force the pin exerts on thebeam?680 N460 N740 N520 N300 N

A uniform beam having a mass of 28 kg and a length of 5.9 m is held in place at its lower end by a pin: Its upper end leans against a vertical frictionless wall where the angle between the beam and horizontal surface is 51 degrees as shown in the figure: What is the magnitude of the force the pin exerts on the beam? 680 N 460 N 740 N 520 N 300 N

## Answers

#### Similar Solved Questions

5 answers

##### Newton' 5cooling=-k-T) where u(t) is the temperature of an object,constant ambient temperature undpositive constant;Suppose bullding loses heat accordance with Newton's law of cooling: Suppose that the rate constant has the value 0.18 hr-! Assume that the Interior temperature Is T; 74*F, when the heating system fails. If the exteran temperature MF, how long will take for the interior temperature to fall to 32 F?Round your answCrtwo decimal placesThe Interor temperature will fall to 32*

Newton' 5 cooling =-k-T) where u(t) is the temperature of an object, constant ambient temperature und positive constant; Suppose bullding loses heat accordance with Newton's law of cooling: Suppose that the rate constant has the value 0.18 hr-! Assume that the Interior temperature Is T; 74...

3 answers

##### 11. Prove that if lim_-c f(z) = 0 and g(z) is bounded on some open interval containing C thenlim f (c)g(x) = 0 I'C12 Let f and g be functions on a set A = (a,c) U (c,6) and assume that f(x) < g(z) , for all â‚¬ â‚¬ A Assuming both limits exist; show thatlim f(x) < lim g(x). I70 I70Does the conclusion improve if we assume that f (x) < g(x) for all â‚¬ â‚¬ A?13_ If f is defined on a set A = (a,c) U (c,b) and if lim__c f(c) =r > 0, then prove that there is a 6 > 0 such that if 0

11. Prove that if lim_-c f(z) = 0 and g(z) is bounded on some open interval containing C then lim f (c)g(x) = 0 I'C 12 Let f and g be functions on a set A = (a,c) U (c,6) and assume that f(x) < g(z) , for all â‚¬ â‚¬ A Assuming both limits exist; show that lim f(x) < lim g(x). I70...

5 answers

##### Taw 8 majcr arganic produrt 8 raaction shown belowCH,I, LDA, KoMPA THF

Taw 8 majcr arganic produrt 8 raaction shown below CH,I, LDA, KoMPA THF...

5 answers

##### 10.) Calcium sulfate dihydrate, commonly known as gypsum _ is used as an ingredient in plasters What is the water in gypsum by mass?

10.) Calcium sulfate dihydrate, commonly known as gypsum _ is used as an ingredient in plasters What is the water in gypsum by mass?...

5 answers

##### Make use of the dipole expression (36.12) for the radiated intensity to find the angular distribution of the radiation when $J_{0 y}=i J_{0 x}, J_{0 z}=0$. Show also that the total power radiated is still given by Eq. (36.13).

Make use of the dipole expression (36.12) for the radiated intensity to find the angular distribution of the radiation when $J_{0 y}=i J_{0 x}, J_{0 z}=0$. Show also that the total power radiated is still given by Eq. (36.13)....

5 answers

##### Draw reasonable resonance structure for the sulfate anion s04 Include nonbonding electrons and formal charges where necessary Do not draw resonance arrowsdraw structure

Draw reasonable resonance structure for the sulfate anion s04 Include nonbonding electrons and formal charges where necessary Do not draw resonance arrows draw structure...

5 answers

##### Ill be provicing copies of the Periodic Table and other constants you need for this examQuestion 141p6Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide: How many grams of aluminum hydroxide can be obtained from 5.50 g of aluminum sulfide? (no units are needed)0.7300.0730.0760.7600.068PreviousNext

ill be provicing copies of the Periodic Table and other constants you need for this exam Question 14 1p6 Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide: How many grams of aluminum hydroxide can be obtained from 5.50 g of aluminum sulfide? (no units are needed) 0.7...

5 answers

##### If xenon has an atomic number of 54 and a mass number of $108,$ how many neutrons does it have?a. 54b. 27c. 100d. 108

If xenon has an atomic number of 54 and a mass number of $108,$ how many neutrons does it have? a. 54 b. 27 c. 100 d. 108...

5 answers

##### Radon is gas emitted from the ground that can collect in houses and buildings concentrations are Radon measured in picocuries per liter (pCiL). radon level of 4 pCiL or below is considered "acceptable Radon levels in house vary from week t0 week In one house, sample of 8 weeks had the following readings for radon level (in pCiL):2.02.95,84.92,08.74,0a) Find the median of the data set,b) Construct an 85% confidence interval for the population mean and state your conelusion clearly.

Radon is gas emitted from the ground that can collect in houses and buildings concentrations are Radon measured in picocuries per liter (pCiL). radon level of 4 pCiL or below is considered "acceptable Radon levels in house vary from week t0 week In one house, sample of 8 weeks had the following...

5 answers

##### 14. Explain why the following sets are not bases of their vector spaces_ (a) {(_4,5), (0,0)}, V = R? {(2,1,-2), (22,-1,2) , (4,2,_4)}, V = RB {1 +32,1-32},V = Pz15_If dim(V) = n, then there exists a set of n _ 1 vectors in V that span V. If dim(V ) = n, then there exists a set of n + 1 vectors in V that span V . If dim(V) = n, thcn any sct of n + 1 vectors in V must bc lincarly dcpendcnt_ If dim(V ) = n, then any set of n 1 vectors in V must be linearly independent_

14. Explain why the following sets are not bases of their vector spaces_ (a) {(_4,5), (0,0)}, V = R? {(2,1,-2), (22,-1,2) , (4,2,_4)}, V = RB {1 +32,1-32},V = Pz 15_ If dim(V) = n, then there exists a set of n _ 1 vectors in V that span V. If dim(V ) = n, then there exists a set of n + 1 vectors in ...

5 answers

##### For the remaining problems, write your answer in the space provided. Be specific and complete when answering questions, show all your work: Give decimal valucs rounded to the nearest thousandth; when necessary: Please cirde your final answer to each problem: Agame costs 55 t0 play: single; 6-sided die [s rolled. If an even number rolled, the player does not win: Ifa 3 or 5 rolled, the player wins S7 . Ifa rolled, the player wins S10.What is a player $ expected value (mean or net gain)? Should th

For the remaining problems, write your answer in the space provided. Be specific and complete when answering questions, show all your work: Give decimal valucs rounded to the nearest thousandth; when necessary: Please cirde your final answer to each problem: Agame costs 55 t0 play: single; 6-sided d...

5 answers

##### Graph the following functions and Indlcate the intereection points with the X-axis and the Y-axie (50%):Y =Sx -4Y = 3 -3xY =x _3x -4f( x) =5X=-2

Graph the following functions and Indlcate the intereection points with the X-axis and the Y-axie (50%): Y =Sx -4 Y = 3 -3x Y =x _3x -4 f( x) =5 X=-2...

5 answers

##### Create multiplication table for each group. For consistency; order the elemnents in Da by (e,t;r2 f,f,?f,7"f) and by (e,1,y,2,0,02,6,8,0,0,d,d) in A; Find the inverse of each elemnent of each group. Write out group presentation for each group using thic generators shOwn in the Cayley graph

Create multiplication table for each group. For consistency; order the elemnents in Da by (e,t;r2 f,f,?f,7"f) and by (e,1,y,2,0,02,6,8,0,0,d,d) in A; Find the inverse of each elemnent of each group. Write out group presentation for each group using thic generators shOwn in the Cayley graph...

5 answers

##### Evaluate the integral. (Use C for the constant of integratic17 sin6(x) cos?(x) dx

Evaluate the integral. (Use C for the constant of integratic 17 sin6(x) cos?(x) dx...

5 answers

##### Mrs. Sow; longtime resident of both the White Plains and Yonkers, claims that there Is no significant difference in the proportion of traffic violations issued between the two communities in the past years. In a survey of 277 motorists from White Plains 77 were issued traffic violations within the past 10 years_ In another survey of 367 motorists from Yonkers, 245 said that they did not receive traffic violations within the past 10 years Use an alpha of 0.01 to test Mrs. Tragre claim Show all wo

Mrs. Sow; longtime resident of both the White Plains and Yonkers, claims that there Is no significant difference in the proportion of traffic violations issued between the two communities in the past years. In a survey of 277 motorists from White Plains 77 were issued traffic violations within the p...

5 answers

##### At a marine research lab on the Florida Gulf Coast; an unknown gas in container of volume 100 cm3 at 20'C has gauge pressure of -5.00 kPa: Estimate the number of gas molecules in the container:2.4E+211.8E+272.62E+211.2E+20

At a marine research lab on the Florida Gulf Coast; an unknown gas in container of volume 100 cm3 at 20'C has gauge pressure of -5.00 kPa: Estimate the number of gas molecules in the container: 2.4E+21 1.8E+27 2.62E+21 1.2E+20...

5 answers

##### Question 3521ptsIn a hypothetical situation; the genes for sex pils construction and for tetracycline resistance are located together on the same lasmid within particular bacterium If this bacterium readily performs conjugation involving copy of this plasmid, then the result should bean Increased numbt bacterla undergolng transduictlon;ranid spread of tetracycline esistance other bacteriainthathabitatsubsequent loss of tetracycline resistanice hromthls bacterlum;the production of endospores amon

Question 35 21pts In a hypothetical situation; the genes for sex pils construction and for tetracycline resistance are located together on the same lasmid within particular bacterium If this bacterium readily performs conjugation involving copy of this plasmid, then the result should be an Increased...

5 answers

##### What polysaccharide described?lubricant for jointschondroitinanticoagulanthyaluronatemakes upthe exoskeleton of lobsters and shrimpheparinmakes up tendons and cartilagechitin1point Which of the following apply to cellulose? (Check all that applv) branchedmade from beta glucosehas helical strandsfoundinplants foundin animals 9 made from alpha glucose

What polysaccharide described? lubricant for joints chondroitin anticoagulant hyaluronate makes upthe exoskeleton of lobsters and shrimp heparin makes up tendons and cartilage chitin 1point Which of the following apply to cellulose? (Check all that applv) branched made from beta glucose has helical ...

5 answers

##### Solve the equation on the interval 0 $ X < Z11; Leave answers - Jin terms of n2sin (2 r ) = WBShow ALL work: BOX your final answerfs) Make sure to reorient your picture to be make it easy to read

Solve the equation on the interval 0 $ X < Z11; Leave answers - Jin terms of n 2sin (2 r ) = WB Show ALL work: BOX your final answerfs) Make sure to reorient your picture to be make it easy to read...