# Jenna

Newest questions and responses by Jenna
1. ## Precalculus

Hello, I have a question here that reads: If angle theta lies in quadrant iii & costheta= -2/root29 then determine the exact values of the other 2 trig ratios. When I take cos-1 of the above I get 111 degrees which would be in quadrant 2... Is that a

2. ## Physics

Hi, A squash ball of mass 0.035 kg hits the wall at speed of 78 m/s and rebounds straight back at 61 m/s. The ball is in contact with the wall for 0.44 s. a) What is the original momentum of the squash ball? 2.73 kg-m/s b) Calculate the impulse imparted to

3. ## Physics

Hello, A soccer player kicks a ball straight up in the air at 18 m/s. What is the balls total hang time? 3.68 s What is the maximum height reached by the ball? 16.53 m When is the ball 12 m above the ground? Vavg = (v+vnaught)/2 Vavg= (18+0)/2 Vavg=9m/s

4. ## Science

A biologist is constructing a battle graph to show the evolutionary relationships between the animals shown below. If anatomical features are used to constrays rhebcladogram, which animal will be placed farther from the animal shown. The animal shown is a

5. ## Calculus 1

(1 point) Write an expression for the function, f(x), with the properties. f′(x)=(ln(x)2)/x and f(3)=7. f(x)=∫t=b t=a

6. ## Economics

The elasticity of the demand for labor in the Western Europe and Nordic countries is between -0.3 and -0.45. However, in Eastern European countries it is greater than -0.9. Why might this be the case? Suggest two reasons for the higher elasticity.

7. ## Calculus 1

Find the positive critical point of the function f(x)=x/(x^6+9)

8. ## Asoka rule

What are stupas How did asokas rule lead to a prosperous India How did Asoka do after the war with Kalinga

9. ## Science

Assume that you have a cell that has a Zn^2+ concentration of 0.0335M and Ag^+ concentration of 0.0012M. The cell temperature is 35.0 degrees Celsius. Find the cell potential and give the cell notation of the cell.

10. ## Math

Write an expression to represent 4 more than the product of 3 and a number X

11. ## math

in the town hall meeting room, i sit in the fourth row from the front, whcih is also the twelfth row from the back. each row has 14 seats. how many people can be seated in the meeting room? is it 14*15 ?

12. ## math

the SMALLEST of 3 consecutive numbers is n. the average of these 3 numbers is: a. (n+2)/3 b. n+1 c. 3(n+1)/2 d. 3n/3 is b the correct answer ?

13. ## Introduction to computers

Discuss the uses of technology in society

75. ## pre-calc college

a certain type of fencing comes in rigid 10 foot long sections. Four uncut segments are to be used to fence in a garden on the side of a building. what value of x will make the garden as large as possible?

76. ## Math

How do I work this out: beth took a math test and scored a 75. She took another math test and scored 20% higher. Whatis her scorefor the second test?

77. ## Math

The finale score In a soccer game is 4-3. How many different scores were possible at half time?

78. ## algebra

Sara goes on a slingshot ride in an amusement park. She is strapped into a spherical ball that has a radius of centimeters. What is the volume of air in the spherical ball?

79. ## physics

A fly of mass .2 g sits 12 cm from the center of a phonograph record revolving 331.3 rpm. a)What is the magnitude of the centripetal force on the fly?b)What is the minimum value of the coefficient of static friction between the fly and the record required

80. ## Business Consulting, Intro to Computers

• Bill wants the entry in Column G to remind him of expenses that require receipts for the accountant. Tell Bill what to put in Column G to do this: a. Print the word “Yes” in any row where the total daily expenses are greater than or equal to

81. ## Physics/trig

A fire hose ejects a stream of water at an angle of 33.6 ° above the horizontal. The water leaves the nozzle with a speed of 29.6 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the

82. ## Bio

A field mouse eats 10000 g of leaves each year, among other things. Of each gram of leaves has absorbed 150 kj of energy from the sun, about how much energy is available for the mouse?

83. ## Physics/trig

During takeoff, an airplane climbs with a speed of 300 m/s at an angle of 36 degrees above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the

A bullet whose mass is 1.0 x 10-3 kg leaves a 5.0 kg rifle with a muzzle velocity of 1.0 x 103 m/s. It strikes a stationary block of wood whose mass is 1.0 kg and remains embedded in it. The kinetic energy of the bullet as it travels towards the wooden

85. ## Physics

A 1386 kg car traveling at 61 km/h is brought to a stop while skidding 42 m. What is the work done on the car by the frictional forces? (Use formula: v2 = vo2 + 2ad)

86. ## Physics

What is the change in velocity (in m/s) if an impulse of 225 N acts on a 4.5 kg mass for 3.0 s?

87. ## Physics

A force of 12.0 N acts for 3.7 s on mass M. What impulse (in N*s) is given to the mass?

88. ## Physics

A 50.0 g bullet strikes a 7.00 kg stationary wooden block. If the bullet becomes embedded in the block, and the block with the embedded bullet moves off at a velocity of 5.00 m/s, what was the initial velocity of the bullet?

89. ## Scrambled Paragraph

Architects must consider many factors in designing a building. _1_ Q. Lighting is an essential aesthetic consideration in the design of a building's interior. _4_ R. It's source of daylight, high overhead and filtered through stained glass, creates

90. ## Logical Reasoning

During the spring, Jim mows his lawn twice per week. During the summer, Jim mows his lawn once per week. A) Jim's lawn grows faster in the summer than in the spring. B) Jim bought a new lawn mower just before summer. C) it is important to Jim to keep his

91. ## Logical reasoning

On her way to work today, Wendy paid one dollar more to fill her car's gas tank than she paid one week ago to fill the same tank. A) Wendy's car is leaking gasoline. B) The price of gasoline has gone down. C) Wendy needs her car for transportation. D)

92. ## Logical Reasoning

A new movie now playing in theaters is based on an old television series. Rick Spencer appears in the movie but did not appear in the television show. A) Rick Spencer is the date of the movie. B) The television show is popular today. C) The television show

93. ## Logical Reasoning

No house lights on this side of the street is on. At every house across the street, at least one light is on. A) Residents on this side of the street are trying to save energy. B) Residents across the street have not turned off their lights. C) It is the

94. ## Math

There is a right triangle named ABC. If AB=2 yards and BC=6 yards, what is the perimeter of triangle ABC? A) 4*square root of 2 yards B) 8 yards C) 8 + 2*square root of 10 D) 8 + 2*square root of 14 E) 28 yards

95. ## Math

What is the fewest number of 7's that can be added together to make their sum greater than 4000? A) 4001 B) 572 C) 571 D) 470

96. ## Math

In triangle ABC, the measure of angle A is 80 degrees and the measure of angle B is 50 degrees. If the length of AB is 2x - 12 and the length of AC is x - 3, what is the length of AB? A) 15 B) 12 C) 9 D) 6 E) 3

97. ## Vocabulary

"Higher forms of animal life have a variety of systems within their bodies that are used for special functions: a circulatory system for he blood; the food supplier; a digestive system for converting food into energy and body tissue; and others. The

98. ## Vocabulary

"The Court and its area of control, its jurisdiction, are established in Article III of the Constitution." The word "jurisdiction" means A) the limits within which authority may be exercised B) personnel C) branches throughout the country D) special

99. ## Math

The number of seconds in 2 hours equals the number of minutes in how many days?