# Questions Asked onSeptember 30, 2016

1. ## Math

An Ap is given by K,2k/3,K/3,0.....Find the 6th term, Find the nth term. If the 20th term is equal to 15 find K

2. ## math

By your cell phone contract, you pay a monthly fee plus some money for each minute you use the phone during the month. In one month, you spent 200 minutes on the phone, and paid \$22.45. In another month, you spent 350 minutes on the phone, and paid \$29.65.

3. ## English

Please check my answers, they are marked with** 1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to observe the movements of a character. envision inside the mind of a character. understand how a character

4. ## math

Of 45 students 30 play badminton and 26 play tennis. Each student play either badminton or tennis,determine how many students play:(a)badminton only (b) tennis only

5. ## PROBABILITY MATH HELP!!!!! DICE

A die is rolled. Find the probability of the given event. The number showing is an even number; The probability is :

6. ## Physics

A hockey puck that has a mass of 170 g is tied to a light string and spun in a circle of radius 1.35 m (on frictionless ice). The string breaks under a tension that exceeds 5.00 N. What is the maximum speed of the puck without breaking the string? (Express

7. ## Algebra

Please check my answers I don't need for you to give me answers just say yes or no if they are all correct TY 1. X-6=8 A. X=-2 B. x=2 C. X=-14 D. X=14🔹🔹🔹 4. -2c=-18 A. c=-9🔹🔹🔹? B. c=-36 C. c=9 D. c=36 5. 2/3x=6 A. x=9🔹🔹🔹 B. x=4

8. ## english

identify the sentence that contains a verb phrase 1-3 a. african violets are an excellent choice for an indoor garden b. these plants are relatively easy to grow c. they require very little natural light d. you can grow them with artifical lighting a.too

9. ## Math

Find all numbers \$r\$ for which the system of congruences: x == r mod 6 x == 9 mod 20 x == 4 mod 45 has a solution.

10. ## Physics

A mop is pushed across the floor with a force F of 36.0 N at an angle of Θ = 50.0° (see figure below). The mass of the mop head is 3.75 kg. Calculate the acceleration of the mop head if the coefficient of kinetic friction between the head and the floor

11. ## PROBABILITY MATH HELP!!!!!

A die is rolled. Find the probability of the given event. (a) The number showing is a 5; The probability is? (b) The number showing is an even number; The probability is ? (c) The number showing is greater than 5; The probability is?

12. ## algebra

Match the inequality to its graph. A. less than or equal to -1 B. less than 3 C. less than 1 D. less than or equal to -3 7. 4y + 3 *less than or equal to* y+6 8. -2y > 2 9. y over 3 < -1 10. 3y *less than or equal to* 2y +

13. ## American government

Which scenario best illustrates how the power to make treaties in the united states constitution provides for checks and balances among the three branches of government ? A. the president must sign an executive agreement without the senate, but must have

14. ## Physics

Consider the Bohr energy expression (Equation 30.13) as it applies to singly ionized helium He+ (Z = 2) and an ionized atom with Z=4 and only a single electron orbiting the nucleus. This expression predicts equal electron energies for these two species for

15. ## Is it possible if you guys can check my algebra HW

two bags had 100 kilograms of sugar each. After taking out 3 times as much sugar from bag one than bag two , bag one had half as much sugar was bag two.How much sugar is left in each bag? i got 9 kilogram in bag on 1 and 0 grams in bag 2

16. ## Chemistry

74. Sodium hydrogen carbonate is also known as baking soda. When this compound is heated, it decomposes to sodium carbonate, carbon dioxide, and water vapor. Write the balanced equation for this reaction. What volume of carbon dioxide gas at 77 degrees C

17. ## Physics

A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 7.2 m/s . The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express

18. ## Algebra2

What is the equation, in standard form, of a parabola that contains the following points? (-2,-20),(0,-4),(4,-20) 1- y=-2.5x^2+5x 2-y=-x^2+4x-4 3- y=-2x^2+4x-4 4-y=-2.25xx^2+4.5x-2 My answer is 3

19. ## Physics

If 20 J of work is done in compressing a spring from 0 cm to 6 cm, then find the work done in compressing the same from 3 cm to 6 cm. My solution If 0.5kx^2= 20, & newx=0.5x, Should the work done be (0.5kx^2)/4=5 joules ? Pls explain. Thanks.

20. ## physics

A cube of edge 2cm and mass 10g is placed on the surface of a table. What is the pressure exerted by the cube on the table.

21. ## stats

2. The modern Olympic Games are a modified revival of the Greek Olympian Games that came to be largely through the efforts of the French sportsman and educator Baron Pierre de Coubertin. The Games are an international athletic competition that has been

22. ## History

(4 points) Identify Central issues - Explain why the Pilgrims' government came about and why its existence was important. Can I have some help. For example, how to start this essay, order it should be in, what i should use?

23. ## Physic

A beanbag was thrown straight upward from the ground at a initial velocity of 22.5 m/s. At the same time, another beanbag is dropped from the top of 17. 0 m building. A what time will the two beanbags be at the same height above the ground?

24. ## Chemistry

I was given a solution of HCOOH with hand approximate concentration of 0.20 moles and I need to titrate this with a 0.110 V mol of NaOH. If I add 20 milliliters of hcooh to the beaker before I titrate approximately what volume of NaOH will be required to

25. ## Physics

A bicycle and rider travel along a road. Which of the following statements is true? a. Only the rider undergoes a translation. b. Only the bicycle undergoes translation. c. Neither the bicycle nor the rider undergoes a translation. D. The bicycle and rider

26. ## Strategic Management

1. Ryanair, Wal-Mart, Timex, Casio and Hyundai are all cited as examples of firms pursing cost leadership strategies, but these firms make substantial investments in advertising, which seems more likely to be associated with a product differentiation

27. ## Chemistry

To clarify, a triple bond between carbon and oxygen is more stable than a triple bond between carbon and nitrogen because oxygen is more electronegative. Is my understanding correct?

28. ## Math

A metal cylindrical cannister is 1' 3"long and has a diameter of 4 inches. What is the total surface area of the cylinder?

29. ## History

Louis Joliet and Father Marqutte journeyed down the Mississippi river to the mouth of the Arkansas river. They did not travel further down the river because? A.they ran out of good B. They finsihed their planned journey. C.Many of their crew members died

2. Which equation represents the pattern in the table below? Sals and carries ages Sal- 3, 5, 8, 13, 15 Carrie- 7, 9, 12, 17, 19 A. S=c+4 B. S=4c ^?^ C. C=s+4 D. C=4s

31. ## english ms.sue

identify the fragment 1-2 a. my parents are vary strict b. they gave me a 10:00 p.m curfew c. even on the weekends , holidays,and vactions d. however, they make exceptions for special occasions a.fred gets his driving permit today b.his older brothers will

32. ## maths

Write a pythagorean triplet whose smallest number is 6

33. ## calculus help

y=cosxcosy-sinxsiny/sinxcosy+cosxsiny find dy/dx plz show me working

34. ## Math

In number and it's our food value are equal if you subtract two from the number the new number and it's absolute value are not equal what do you know about the number what is a possible number that satisfies these conditions

35. ## English - for Reiny

http://www.jiskha.com/display.cgi?id=1475188830 I don't understand the terminology in these sentences. I'm hoping you do and can help "leena."

36. ## Chemistry

Consider a mixture of two gases,A and B, confined in accosted vessel. A quantity of a third gas C, is added to the same vas sekar the same temperature. How does the addition of gas C affect the following: a. The partial pressure of gas A. b. The total

37. ## algebra

I NEED HELP ! Match the inequality to its graph. A. less than or equal to -1 B. less than 3 C. less than 1 D. less than or equal to -3 7. 4y + 3 *less than or equal to* y+6 8. -2y > 2 9. y over 3 < -1 10. 3y *less than or equal to* 2y +3

38. ## Pre-Calc

A force, F, on a body of mass m causes the body to accelerate. Denote the acceleration of the body by a. The relationship between force, mass, and acceleration is F = ma. If we take the unit of mass to be a kilogram, the unit of distance to be a meter, and

39. ## Social studies

Why was the economy in the new England colonies different from the economy in the middle colonies A. The environment provided different resources for earning a living ** B. The settlers had different skills and work experience C. Religious beliefs affected

40. ## Stats

The data below were gathered on a random sample of 5 basking sharks, swimming through the water and filter-feeding, i.e. letting the water bring food into their mouths. Body Length (meters) Mean Speed (meters/seconds) 4 0.89 4.5 0.83 4 0.76 6.5 0.94 5.5

41. ## history

9. Based on what you know about Native American relationships with the Spanish colonists what can you infer about the way Spanish viewed Native Americans? A. Spanish colonists all Native Americans as her equals (B.) Spanish colonists felt that they were

42. ## Math

Write 39/9 as a whole or mixed number in simplest from. A. 4 1/3 B. 3 9/39 C. 9 1/3 D. 5 1/4

43. ## Stats

Suppose that diastolic blood pressure in hypersensitive women centers at 100mmHg and has a standard deviation of 16mmHg and it is normally distributed. What is the probability of randomly selecting a woman with a diastolic blood pressure less than 92mmHg?

44. ## Physics

A net force is applied to an object, the same net force is then applied to a second object with 6.2 times the mass of the first then the acceleration of the second object will be how many times the acceleration of the first object?

45. ## physics

Earth of mass 6×10^24 kg is in motion around the sun with a linear velocity of magnitude 30 km/s. a) Determine the magnitude of the linear momentum of the center of mass of Earth. b) Is this linear momentum conseved?

t/2+7=3t\4+9

47. ## Physics

ool players often pride themselves on their ability to impart a large speed to a pool ball. In the sport of billiards, event organizers often remove one of the rails on a pool table to allow players to measure the speed of their break shots (the opening

48. ## math

john hiked 8 1/3 miles in 3 3/4 hours. what was John's average speed for the hike

49. ## Stats

If the cranial capacities of an ancient population of humans from Indonesia are normally distributed with a mean of 1400cc and a standard deviation of 125cc. What is the cranial size of one of these ancient humans whose size is in the 67th percentile?

50. ## Stat 154

a box contains 100 marbles. Five of the marbles are purple and the rest are green. if eight marbles are drawn without replacement ,what is the probability of obtaining exactly two purple marbles?

51. ## maths

the ratio of the difference obtained by subtracting 2 from thrice a number to the sum of twice the same number and 5 is13:15.what is the number?

52. ## family development

I need help with this question: What significance does Maslow's hierarchy of needs have in developing a more positive self-concept?

53. ## History

What was the main reason for king louis support of french exploration of north America? A.he wanted to increase wealth through trade and colonies. B.He wanted to spread religion to native Americans. C.he wanted to help the British develop the new

54. ## trigonometry

find the radius of the circle whose sector area is 426 sq.cm. and central angle 24

55. ## Math

A store is having a 20% off sale on all merchandise.if jada buys one item and saves \$13 at the sale what was the original price of her purchase?explaine

56. ## English

What symbols are present in the poem, Salt Water Moon, by David French?

57. ## english

identify the fragment 1-2 a. my parents are vary strict b. they gave me a 10:00 p.m curfew c. even on the weekends , holidays,and vactions d. however, they make exceptions for special occasions a.fred gets his driving permit today b.his older brothers will

58. ## Principles of management

Whilst entrepreneurship is a panacea to poverty the world over the current Zimbabwean situation seems to be different. Elucidate any four reasons why the situation is different.

59. ## math

The family Mutillidae consists of over 3,000 species of wasps in which females are completely wingless and produce one of the most painful insect stings. Although not fatal to humans, the pain from the sting can last more than thirty minutes leaving its

60. ## Calculus

What type of discontinuity is this? f(x) = 2x+8,x4 I think it's a point discontinuity.

61. ## Physics

Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 2.60 × 10-3c. and (b) 0.972c

62. ## Physics

A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 5 excited state. The atom returns to the ground state by emitting two photons, one in dropping to n = 4 state, and one in further dropping to the ground state. What

63. ## AP History

Those who brought Accusations of Witchcraft in the Salem Trials? A:Were almost exclusively the poor and powerless. B:Mostly young girls C:Slaves D:Woman who had been in trouble with the law E:included both low-status individuals and prominent citizens. How

a student designed an experiment to demonstrate the interactions between earth systems

65. ## Algebra

Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.

66. ## algebra

At a pharmacy, customers take a number to reserve their place in line. If the product of the ticket number now being served and the next ticket number to be served is 110, what number is now being served?

67. ## Math

Let's propose a hypothetical situation where you plan to apply your newly acquired analytical skills to the end of the baseball season. The Dodgers most recent win percentage is 0.569. Assume that the team that they are playing and home field advantage is

68. ## Government

What laws could be created by the idea of artistic expression?

69. ## Science

If the frequency of middle-C is 44Hertz, what is the wavelength of the sound in centimeters?

70. ## English

1. The temperature on dokdo is around 12 degrees Celsius. 2. The temperature of dokdo is around 12 degrees Celsius. ------------------------ Can we use both prepositions, on and of?

71. ## English

1. Do you want to know more? (What is the part of speech of 'more'? Is it an adjective or an adverb?) 2. Look at this map of Dokdo. 3. Look at this map of Dokdo's. 4. Look at this Dokdo's map. (Dokdo is a small island. Which one is right? #4 is incorrect.

72. ## math

formulate problem and solution Given: Time taken by light to travel 1 meter is roughly 3×10 raise to negative 8 seconds

73. ## Math (Trig Review)

Evaluate the expression without using a calculator (Make a sketch of a right triangle) tan(arccot 2) Thanks in advance! I'm trying to refresh my memory of these kinds of problems and I'm having trouble on how to solve this problem

74. ## Sets & Probability math Help please

A group of people were asked if they had run a red light in the last year. 206 responded "yes", and 184 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.

75. ## Math

You were assigned to construct qn open-top box with a square base from two materials, one for the bottom and one for the sides. The volume of a box is 78 cubic inches. The cost of the material for the bottom is Php 4 per square inch, while the cost of the

76. ## Math

You were assigned to construct qn open-top box with a square base from two materials, one for the bottom and one for the sides. The volume of a box is 78 cubic inches. The cost of the material for the bottom is Php 4 per square inch, while the cost of the

77. ## American government

how does the president limit the legislative power of congress. a- by appointing congressional committee chairs b- by appropriating congressional spending c- by administering the law d- by using the veto

78. ## Social Studies

Which event within a state will most likely require the involvement of the federal government? (PLEASE REVIEW IF IM RIGHT) 1.A corporation is created 2.The state constitution is amended*** 3.A boundary with a nearby state is disputed 4.The rules for

79. ## Algebra

Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.

80. ## math

subtract 3x-12/4x^2-8*2x^2-4/9x-36

81. ## science

A displacement vector r in the xy plane is 15m long and directed ...

82. ## social studies

In which election process are individual votes given the most equal weight? electing president **** electing members of the house electing members of the senate electing candidates in primaries

83. ## Math

Solve by factorisation (x+3)(3x2_20x_7)=0

84. ## math

Kyle and Andrew decide to make some money by raking leaves in their neighborhood. The houses in their neighborhood each have half acre lawns. Kyle and Andrew each start by raking the leaves from their own yards. Kyle realizes it takes him 3 hours to rake

85. ## Physics

A container of mass 0.3 kg slides along the ice with a speed of 4 m/s when it reaches a rough section where the coefficient of kinetic friction is 0.8. How long will it take the puck to stop sliding?

86. ## physics

The propeller of a plane rotate clockwise at 26900 rpm. What is the angular acceleration (in rad/s2) of the propeller if it takes 8.00 s to come to a standstill?

87. ## Principals of Management

Discuss the following current issues or challenges in management.(1)Ethics culture and social responsibility (2)Information technology and management (3)Change management (4)Emerging issues in management

88. ## Physics

A biker traveling at 6m/s accelerates for 3 seconds at a rate of 3.4m/s2. How far did the biker travel while accelerating?

89. ## PROBABILITY : M&M'S

A BAG OF M&M'S HAS 3 RED, 7 GREEN, 6 BLUE AND 5 YELLOW M&M'S . WHAT IS THE PROBABILITY OF RANDOMLY PICKING.

90. ## English

I have read an excerpt to Legendary King Arthur. I'm trying to find the theme. I am debating on either a true hero never dies, or family can not always be trusted. In the story, they say that King Arthur might rise, and they believe that he has set a good

91. ## Spanish

Hey guys, so I had my birthday week this week and I missed a bunch of days, I made all of them up except for this last one and I'm so tired please help. 1. How do you ask what someone is like in spanish? A)Como te llamas? B)Como es? C)Como soy? D)Como

A player shoots a basketball from a height of 6 feet. The equation, h = -16t 2 + 25t + 6, gives the height, h , of the basketball after t seconds. Describe the height, rounded to the nearest tenth of a foot, of the basketball after 1.5 seconds, assuming no

93. ## math

what per cent is 250g of 1200g?

94. ## Biology

If a curly haired father and straight haired mother 8 children are born .the ratio of curly and straight haired will be ......

95. ## mathematics

one number is one less than two times another. if their sum is increased by two, the result is 13. find the numbers .

96. ## math

In the number 722,463 which place contains digits where one digit is ten times as great as the other

97. ## english

identify the sentence that contains a verb phrase 1-2 a. african violets are an excellent choice for an indoor garden b. these plants are relatively easy to grow c. they require very little natural light d. you can grow them with artifical lightning ** A.

98. ## math

Mr. Brown has 35 students in his class and wants to make teams of 5 students. How many teams can he make?

99. ## pre-calc

The radius of the earth is approximately 4,000 miles. The acceleration due to gravity is approximately 32 feet per square second. The mass of the earth is approximately 6 × 10^24 kilograms. Calculate the value of G in units of kilograms, meters, and

100. ## pre-calc

The force, F, between two bodies of mass m1 kilograms and m2 kilograms whose centers of mass are a distance of r meters apart is given by the formula F = (Gm1m2)/ r2 where G is the gravitational constant of the universe. What are the units of the

101. ## Pre alg

find 2 numbers of the 2nd number if the second number is 11 less than 3 times the first and the sum of 153?

102. ## Social Studies

How was the initial reason most settlers came to New Nether land different from the reasons most settlers came to the surrounding English colonies A. The English mostly came for religious reasons, while many immigrants settled in New Nether land to mind

103. ## Math

If the equation sinx+cosx=m processes solution then range of the range of values of m is given by?

104. ## math

At what rate of interest should Php18,000 be invested so that it will earn Php2,500 at the end of 504 days?

105. ## english

identify the portion that contains a compound subject during the 1940s and 1950s , Dudd Abbott and Lou Costello were a popular comedy team on radio, televison ,and sage a. 1940s and 1950s** b. Bud Abbott and Lou Costello c. radio, televsion, and stage d.

106. ## english

identify the word that is part of a compound predicate "The Boys" , as they were called , amused and deligthed audiences everywhere a. were b. called** c. delighted d. none

Reread "The Night the Bed Fell" and "The Stolen Day." In a paragraph or two, compare and contrast the stories. Please help me.

In ΔKLM, m∠K = (6x−1)∘, m∠L = (7x+13)∘, and m∠M = (x+0)∘. Find m∠L.

109. ## english

Same with this one "direct object" Players usually kick or "head" the ball to their teammates on the field. (1 point) ball teammates field none**

110. ## percentage

At the beginning of 2002, sunil had four dozen goats with him. he increased this stock by x %. at the end of 2002, he sold off y % of his stock. at the beginning of 2003 he again increased his stock by x % and and at the end of 2003, he again sold off y %

111. ## Maths,fractions

A group of friends went to a coffee shop. 2/5 bought coffee 1/3 bought tea 4/15 bought cake What is the smallest posible number of people in the group?

113. ## Music

A triad that contains the notes A and C could also contain which of the following notes? F B E F or E

114. ## Math

On Aug 14th, One of our Partner's ( Compuville ) cash book showed a debit balance of \$4,000.00. His bank statement showed a balance of \$4,270.00. On comparison the following were found: * check issued amounting to \$2,500.00 has not been cashed * The bank

115. ## Grammar

The student......for the final exam. was studying /studied hardy did not studied Would had study. What is the rieght tense ?

116. ## Math

The temperature outside marys school is 17°c at midday by midnight the temperature has fallen by 33 °c what is the temperature at midnight

117. ## Physics

Depth of water is 1000m.Density of water is 1000kg/m3.Calculate atmospheric pressure

118. ## math

4 digit number > 2000. the sum of its digits is 10. only the thousands place and the hundreds place are odd numbers. the number in the ones place double the digit in the hundreds place. what number will it be?

119. ## Grammar

The accident........if the motorist had obeyed the speed limit. A. Never happened B. Never would happen C. Would happen never D never would have happened What is the right tense?

120. ## Chemistry

Sample of 10.7g of O2 reacts completely with CO to form CO2 3a) How many grams of CO2 will be formed. So 10.7g (1mol/32g) (2molCO2/2molCO2)(22.01gCO2/1molCO2) = 14.7g. Please is this right 3b) is the mass of CO2 ypu determined in the equation (3a) the

121. ## maths help

using for figure table evaluate (1.487^3-1)/(1.487^3+1) show working pllllzzz

122. ## algebra 2

how do you rationalize 3 divided by the cube root of 5 3/ cube root of 5

123. ## Calculus

Hello! I need help with this problem, its been irritating me for days! Any help would be greatly appreciated! Here’s the question.. The minute hand on a watch is 8 mm long and the hour hand is 4 mm long. How fast is the distance between the tip of the

124. ## Physics

My physics optional extra work: This would be helpful so I can compare the solutions here as I do the work by myself. Question: A car enters a circular flat curve with a radius of curvature of 0.20 km with a maximum speed of 135 km/h. If the friction

125. ## Social studies

What is one major similarity between judaism and zoroastrianism? A. Both are based on the idea of a covenant with god. B. Both state that each individual has free will to do good or evil C. Both stress of the importance of judgement day and an afterlife D.

126. ## Physics

A hockey puck of mass m = 70 g is attached to a string that passes through a hole in the center of a table, as shown in the figure below. The hockey puck moves in a circle of radius r = 1.20 m. Tied to the other end of the string, and hanging vertically

127. ## Physics

Speedboat (A) negotiates a curve whose radius is 115 m. Speedboat (B) negotiates a curve whose radius is 240 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats? My physics optional extra work:

128. ## Stats

This is the question: Let's propose a hypothetical situation where you plan to apply your newly acquired analytical skills to the end of the baseball season. The Dodgers most recent win percentage is 0.569. Assume that the team that they are playing and

129. ## Physics

Tarzan plans to cross a gorge by swinging in an arc from a hanging vine (see Fig). If his arms are capable of exerting a force of 1200 N on the rope, what is the maximum speed he can tolerate at the lowest point of his swing? His mass is 84 kg and the vine

130. ## algebra 2

rationalize 7/ (cube root of 3) + 2

131. ## Physics

A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 × 104 m/s, and the radius of the orbit is 5.80 × 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second

132. ## Physics

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at

133. ## Physics

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at

134. ## Physics

A 0.79 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The upper string is 29.0 cm long and has a tension of 29.7 N, and it makes an angle θ2 = 64.0° with the rod, while the

135. ## Physics

A 1200 kg car rounds a curve of radius 71 m banked at an angle of 11°. What is the magnitude of the friction force required for the car to travel at 82 km/h? My physics optional extra work: This would be helpful so I can compare the solutions here as I do

3/5+1/2=n

137. ## chemistry

how many joules of heat are required to heat 149g of aluminum from 31.0 celcius to 75.5 celsius

138. ## chemistry

is heating iodine from its solid state to a liquid state a chemical or physical change?

139. ## english

In saying, "not to strive after a life of ignoble ease, but to strive to do their duty," Roosevelt uses: A. metaphor.******** B. simile. C. antithesis. D. allegory. E. climax.

141. ## Physics

Two blocks are connected over a massless, frictionless pulley. The mass of block 2 is 8.00 kg, and the coefficient of kinetic friction between block 2 and the incline is 0.250. The angle θ of the incline is 28.0°. Block 2 slides down the incline at

142. ## Biochm

Determine the sequence of a linear, unbranched hexapeptide for which the following experiments have been done: 1. Amino acid analysis : Phe, Ala, Ile, Arg, Lys, Met, 2. CNBr treatment : tetrapeptide (UV absorbance at 260nm), dipeptide 3. V8 protease

143. ## history

How were the Spanish able to conquer two great empires with only a handful of soldiers? First, the Spanish had superior military equipment. They were protected by steel armor and had guns. The Aztecs and Incas relied on clubs, bows and arrows, and spears.

144. ## stats

4. One measure of form for a runner is stride rate, defined as the number of steps per second. A runner is considered to be efficient if the stride rate is close to optimum. The stride rate is related to speed; the greater the speed, the greater the stride

5/6+1/3=n

146. ## Physics

A rocket is fired vertically with an acceleration of 16m/s^2. After time T, the rocket's engine runs out of fuel and it begins to fall freely. The maximum height of the rocket is 940m, what is the minimum value of T?

147. ## Math

If a red light flashes every 3 seconds, a blue light flashes every 4 seconds and a blue light flashes every 5 seconds and they all flashed together at midnight when would be the next time they all flash together?

148. ## Gyroscopes/Physics

Which of the following best describes the motion of a working gyroscope moving through space? a. the gyroscope both translates and rotates b. the gyroscope rotates, abut does not translate c. the gyroscope neither translates nor rotates d. the gyroscopes