# Questions Asked onMay 14, 2017

1. ## Physics

an earth satellite has an elliptical orbit with an eccentricity value, e=0.40 and on orbital period of 10 hours and 54.0 minutes. Find the height above the surface at its closest approach point.

2. ## english

Which of the following is a reason to use parallel sentence structures in a literary analysis essay?

3. ## algebra expression (math)

Thinks of a number.Add 5 .The result the same as the multiplying original number by 6.What is the number?

4. ## Dynamics

A motion of a particle is given by the relationship a=6t. If s=8m and v=4m/s when t=1sec determine: a) v-s relationship b) s-t relationship s is distance V is velocity T is time

5. ## Physics/ electricity

Two charges, separated by a distance of 1.3 m, attract each other with a force of 0.078 N. If one charge is +3.7 μC, what is the other charge?

6. ## Science

What quantity of Caco3 must be heated to give sufficient amount of Co2 to convert 10.6 gms of Na2Co3 completely into NaHCo3 ?

7. ## math

1.one more than 3 tens 2.one less than four times five 3.five added to six 4.successor of 28 5.two more than two times tens 6.the greatest 1 digit composite number 7.three added to three times three

8. ## Economics

During a team meeting of Evita Jeans, the operations manager suggested to save costs by storing the unsold clothes in the company warehouse instead of a commercial warehouse that charges a market rental rate. Explain the validity of this strategy.

9. ## Physics

A 3-kg mass has a speed of 5.0m/s at the bottom of a 37 degree incline. How far up the incline does the mass slide before it stops if the friction force acting upon its motion is 20N? Thanks.

10. ## PHYSICS

A MACHINE HAS A VELOCITY RATIO OF 5 HAS AN EFFICIENCY OF 40.WHAT EFFORT WOULD BE NEEDED TO LIFT A LOAD OF 100N?

11. ## PHYSICS

V R 5, L 1.2KG, HEIGHT 10M WORK INPUT 800J FIND THE USEFUL OUTPUT, EFFICIENCY, M A (TAKE G=10M/S )?

12. ## Math

The cost price of an article which on being sold at a gain of12% yields Rs.6 more than when it is sold at a loss of 12%,is

13. ## Math

Aslam buys 30 cows for an average of Rs.900. He buys 12 more by bringing the average cost to Rs.875. How much did the recent purchase cost him?

Which of the following is the strongest reducing agent? Ca2+(aq) Li+(aq) Ca(s) Na(s) K(s) ans: K(s) but I don't understand why it is. I think that li+ is strongest reducing agent b/c E of Li=-3.04 while E of K is -2.92. can someone help me?

15. ## English

Write a diary entry on nightingales emotional exertion.

16. ## Geometry

Find the volume of a spherical cone in a sphere of radius 17 cm. if the radius of its zone is 8 cm.

17. ## science (physics)

A body travels 10m in 5th second and 30m in 10th second. Find its initial velocity and acceleration.

18. ## speed

Tom and Jerry took part in a race. Both boys started running at the same time. After 4 hours, Tom had completed the race but Jerry had covered only 4/5 of the route. If Jerry's average speed was 2km/h less than Tom's, find the length of the route.

19. ## Math

In a particular arithmetic progression, the sum of the first 10 terms is equal to the sum of the first twenty terms. Show that the sum of the first 30 terms is equal to 0.

20. ## value

A machine of efficiency 40% has a load 40newtons and an effort of 60newtons.calculate the velocity ratio?

21. ## Math

Thevolume of a right circular cone is 5 litres.calculate the volumes of the two parts into which the cone is divided by a plane parallel to the base,one-third of the way down from the vertex to the base.

23. ## Math

Arid buys 2750 eggs For \$100 and loses 350 of those .If he sells the remaining eggs at 70percents/dozen,what percent of his original investment is his profit?

24. ## Math

A salesman sold a book at 5%of the marked price instead of discounting the marked price by 5%.If he sold the book for Rs.4.20,what was the price for which he should have sold the book?

25. ## math

The third term of a Gp is 54 & 7th term is reciprocal of 3rd term find the 5th term

26. ## Math

An employee earns \$200 for 14 hours work. Assuming he is paid by the hour, how much will this employee earn in 35 hours?

27. ## Science Pls Help

How is an areas topography determined? A. by using an ares long. and lat. B.by using an areas scale c. by using an areas elevation relief, and land forms*** d. by using an areas elevation, long. and lat.

28. ## Riddle

I make it happen then I get lost

29. ## science

In the hydraulic lift in the illustration, the car on the one side of the lift can be lifted by applying an effort force to the opposite side of the lift. If the effort force applied (F1) was 900 N on the 1 m2 area (A1), what is the load force of the car

30. ## Math

Three friends each have some ribbons. Carl has 90 inches of ribbons, Tino has 10.5 feet of ribbon, and Baxter has 2.5 yards of ribbon. Express the total length of ribbon the three friends have in inches, feet, and yards. What I need: Instructions on how to

31. ## Math

A flower bed is 4 meters wide and 5 meters long. What is the area of the flower bed in square feet? Round intermediate calculations and your answer to the nearest hundredth.

32. ## algebra 1

If the volume of a prism is 3x^2 + 6x - 24, what are the dimensions? Please help.

33. ## Math

Find the number if 6% of it is 20% of 6

34. ## Math

The sides of a rectangle are in the ratio of 4:5. If the width is 28 in., find the length, the perimeter, and the area of this rectangle.

35. ## algebra 1

Are these both prime? Can they be factored? y^2-y+156 and r^2-9r-39 Thank you

36. ## Math

Calculate The Totale Surface Area And The Volume Of The Given Right Triangular Prism?

37. ## Math

An alloy is composed of nickel, zinc, and copper in a ratio of 3:4:13. How many kilograms of each metal are needed to make 4 kg of this alloy?

38. ## isakaita college of education home economics (dm)

(1)define the full meaning of home economics(2)list the branches of home economics and discuss

39. ## Social Studies

What is the importance of modern businesses to Georgia? Choose 2. A) They provide jobs. * B) They are always found in shopping centers. C) They drive Georgia's economy.* D) They are always in retail. I chose A & C.

40. ## physics

Radon 86222Rn is a radioactive gas with a half-life of 3.82 d. If there are initially 400 decays/s in a sample, how many radon nuclei are left after 2 d ? Please help, I don't understand how to do this.

41. ## maths

The angle of elevation of the top of a tower from a point is 42m alwayfrom its base on level ground is 36 degree. Find the hight of the tower

42. ## Math Algebra

Ann is 8 years older than Dawn. Dan is 5 years younger than Dawn. The sum of their ages is 108. How old is Dan? Please explain work too.

43. ## math

a woman deposits \$9000 at the end of each year for 7 years in an account paying 4%interest compounded annually

44. ## physics

Does the momentum from the arms transfer to the body if you stop it when jumping? so if you jump vertically and you swing your arms forward to give them an angular momentum and then your arms reaches it's limit. does the angular momentum transfer to the

45. ## Algebra

Sound intensity is inversely proportional to the square of the distance from the sound source; that is I= k/(r)^2, where I is the intensity, r is the distance from the sound source, and k is a constant. Suppose that I am sitting a distance R from the TV,

46. ## PreCal

A ball was kicked with an initial velocity of 35 feet per second at an angle of 15 degrees. Find the components of the velocity. Round your answers to the nearest hundredth.

47. ## Science

The u.s. constitution provides that each of the three branches of the federal government has certain powers that can limit the powers of the other branches. These limitations are known as the system of checks and balances. Which of the following actions is

48. ## @Nera -- banned for cheating

You asked for answers to a specific test. We do not give answers; Jiskha tutors do not cheat.

49. ## Math

Debbie flipped a coin 20 times. The result were 7 heads and 13 tails. What is the relative frequency of heads for her experiment?

50. ## Geometry

Let p and q be constants such that the graph of x^2+y^2-6x+py+q=0 is tangent to the y-axis. What is the area of the region enclosed by the graph? I have no idea what to do? Can someone please help me with the solution to the problem?

51. ## Psychology

which part of the personality gives us feelings of pride and satsifcation when we do things for which we have been praised or rewarded?

52. ## math

The difference between two numbers is 3. Eight times the larger number is 10 times the smaller number. Write a system of equations describing the given conditions. Then solve the system by the substitution method and find the two numbers.

53. ## science

What is the molarity of 7.30g HCl

54. ## Chemistry

What mass of potassium nitrate would you have in order to produce 1.00dm of oxygen at rtp?

55. ## Chemistry

The vapor pressure of pure methanol at 25 degrees Celsius is 127.2 mm Hg. If 12.20 g of potassium chloride are dissolved in 200.0 g of methanol, what is the vapor pressure of the solution? A.123.9 mmHg B.3.256 mmHg C.104.3 mmHg D142.7 mmHg

56. ## Writing skills

Many people who spend their summers in a city dream of owning a cottage at the shore or in the mountains by a lake.

57. ## English

In the poem You Begin by Margaret Atwood, what does the warm stone signify? Is it only the child's hand?

58. ## Math

Speed of an airplane and time it takes the plane to complete a 500-mile trip