MB

Newest questions and responses by MB
1. pol science

True or False: "Framing" an issue (by the news media, for example) means giving the issue a particular slant.

2. Trigonometry

A point on the rim of a wheel of unknown radius in a pulley system has a velocity of 16 in/min. The wheel is making 4 rpm. If the radius of the other wheel is 8 inches, find the 8" wheel's rpms and the unknown wheel's radius. I got a radius of about 0.637"

3. Trigonometry

A pulley system consists of a 10 inch wheel and another whose radius is unknown. A point on the rim of the wheel of unknown radius moves 450 inches when it revolves through an angle of 225 degrees. Find the angle the 10 inch wheel turns through

4. Physics

The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg • K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid,

5. Physics

A shot-putter throws the shot ( mass = 7.3 kg) with an initial speed of 14.0 m/s at a 36.0 ∘ angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.20 m above the ground.

6. math

I have a flat 4.5 foot round disk,, I need to completely fill it with 3 centimeter flowers. How many flowers will it take to fill this?

7. Further mathemactics

Demostrate the validity of tan^2theta-sin^2theta=sin^4theta sec^2theta

8. oceanography

Compute the amount of heat is needed to raise the temperature of 1,200 grams of ice at -30 degrees C to 1,200 grams of water vapor at 140 degrees C. Show work.

9. Chemistry

A 1.0-g sample of MgCl2 produced a 10.00C increase in a calorimeter charged with 40.0mL of deionized water. The specific heat is of MgCl2 is 0.750J/C*g. What is the value of delta(s)H for MgCl2? I know that the formula needed is

10. algebra

Rock is thrown from the top of a building. The formula h=-16t+234 describes the height of the rock, h in feet, t seconds after the rock is thrown. how long after the rock is thrown does it hit the ground?

11. chemistry

How much hydrogen gas (mL) would be rpoduced at 25 degreez C and 1.34 atm if 5.5 grams of zinc reacts with 25mL of 0.05 M hydgrchloric acid? Please respond with how u found the answer

12. sociology

An unskilled assembly line worker replacing a skilled carpenter is an example of __________. (Points : 1)

13. math

Water is leaking from a pipe at a constant rate of 1/2 cup every 10 minutes. At this rate, how many gallons of water will leak from the pipe in 1 week? (16 cups = 1 gallon)

14. math

A rectangle's length is three times its width. Its perimeter is 67 feet. What are the dimensions of the rectangle?

15. Accounting

Lovvern Trophies makes and sells trophies it distributes too little league ballplayers. The company normally produces and sells between 8,000 and 14,000 trophies per year. The following cost data apply to various activity levels

16. English

Can you help me find communtaries for FDR's D-day prayer. When i google it, everything is about how Obama is opposed to adding the prayer to the WWII memorial.

17. finance

If I wanted to calculate how the number of years it takes to save x number of dollars, How will I do so. I have the PV,FV and the interest rate. Can you also tell me what 1n is in the following formula: ln(FV / PV) / ln(1 + r)

18. hrm

What are the critical coponents of a compesation strategy? Would these be the intrinsic and extrinsic rewards or something else.

19. Physics

Hi I really need help with this question... please provide a step by step explanation with the answer because I need to understand it. Thanks! A 406-kg pile driver (the figure below) is raised 12 m above ground. (a) How much work must be done to raise the

20. Physics

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.00 hours. (a) How high above Earth's surface is the satellite? [Answer in Km] (b) What is the satellite's acceleration? [Answer in m/s^2] Please provide a step by step

21. Physics

A 360-kg satellite is in orbit around the Earth 10000 km above the Earth's surface. (a) What is the weight of the satellite when in orbit? [Answer is in N] (b) What was its weight when it was on the Earth's surface, before being launched? [Answer is in N]

22. Physics

An airplane lands and starts down the runway at a southwest velocity of 46 m/s. What constant acceleration allows it to come to a stop in 1.1 km? PLEASE HELP ME WITH THIS QUESTION AND PROVIDE AN EXPLANATION IF POSSIBLE!!!! THANK YOU!

23. investing

Discount Sales sells some used store fixtures. The acquisition cost of the fixtures is \$12,500, the accumulated depreciation on these fixtures is \$9,750 at the time of sale. The fixtures are sold for \$4,500. The value of this transaction in the Investing

24. math

two trains start from towns 208 miles apart and travel towards each other on parallel tracks. They pass each other 1.6 hours later. If one travels 10 mph faster than the other find the speed of each train?

25. physics

The press box at a baseball park is 34ft above the ground. A reporter in the press box looks at an angle of 17 degrees below the horizontal to see second base. What is the horizontal distance from the press box to second base?

26. Biology

What is the occupational outlook for an agronomist. Are there any job openings for this career, what is the outlook?

27. dividing monomials

How would you solve this and could you give more examples? (-e)^6f^1/e^6f^4

28. computer science

how would 123 base 4 look in base 5 and why?

29. computer science

how was the price of computation changed over time?

30. computer science

Where do basic technical innovations most often originate?

31. physics

A placemaker must kick a football from a point 36 m (about 39yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a velocity of 20.0 m/s at an angle 53 degrees to the horizontal. By how

32. physics

An artillery shell is fired with an initial velocity of 300 m/s at 55 degrees above the horizontal. to clear an avalanche, it explodes on a mountainside 42 sec after firing. what is the x-coordinate of the shell where it explodes, relative to its firing

33. physics

a fireman 50 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 30 degrees above the horizontal. If the speed of the stream as it leaves the hose is 40.0 m/s at what height will the stream of water strike

34. physics

A placemaker must kick a football from a point 36 m (about 39yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a velocity of 20.0 m/s at an angle 53 degrees to the horizontal. By how

35. physics

An artillery shell is fired with an initial velocity of 300 m/s at 55 degrees above the horizontal. to clear an avalanche, it explodes on a mountainside 42 sec after firing. what is the x-coordinate of the shell where it explodes, relative to its firing

36. physics

a fireman 50 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 30 degrees above the horizontal. If the speed of the stream as it leaves the hose is 40.0 m/s at what height will the stream of water strike

37. physics

Multiple part question….. A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0m above a flat, horizontal beach. With what angle of impact does the stone land (in degrees). A

38. physics

one of the fastest recorded pitches in major league baseball. thrown by billy wagner in 2003, was clocked at 101.0 mi/h. if a pitch were thrown horizontally with this velocity, how far would the ball fall vetically by the time it reached home plate, 60.5

39. physics

A student atands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above flat, horizontal beach. With what speed of impact does the stone land?

40. physics

A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18 m/s. the cliff is 50 m above a flat, horizontally beach. how long after being released does the stone strike the beach below the cliff?

41. physics

A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0m above a flat, horizontal beach. With what angle of impact does the stone land (in degrees).

42. physics

Traumatic brain injury such as concussionn results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s^2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s^2

43. physics

It is possible to shoot an arrow at a speed as high as 80 m/s. If friction is neglected, how high would an arrow launched at this speed rise if shot straight up? How long would the arrow be in the air?

44. physics

A ball thrown vertically upward is caught by the thrower after 2 seconds. Find the initial velocity of the ball and the maximum height the ball reaches???!!

45. vegetable names....

what vegetable name includes all letters (and i mean ALL of them) except the letter 'y'? this means all 25 other of them. zsdg give me names of vegetables from a-z

46. Fluid Mechanics HELPPPPP!!!!!

Hi, I have a deadLine untill Thursday to find out the solutions to the following Questions. Can Anyone Help me??? please?? 1) A cylinder with Relative Density=0.5 and height=10m is holding vertical with the bottom base touching the surface of water. If we

1. Math

((1.645*197)/11)^2

posted on July 4, 2016
2. Algebra

It's an equation. That's the answer and I got it right. Take it or leave it, it's not my grade. :)

posted on December 8, 2015
3. Algebra

GUYS I HAVE THE ANSWER: LP divided by PL = Sp/Distance = Player x You're welcome, fellow Connections Academy students.

posted on December 2, 2015
4. algebra

thanks that's how it is written on my assignment. Seemed off to me. Thanks for your kindness Damon

posted on December 13, 2014
5. Science

1.49*10^-18

posted on November 18, 2012
6. physics....

A 5kg fish swimming at 1 m/s swallows an absent minded 1-kg fish swimming toward it at a velocity that brings both fish to a halt. Find the speed of the smaller fish before lunch.

posted on June 14, 2012
7. Science

its 66,666.7 but you can not have .7 of an egg so you round, the answer is 66,667

posted on January 26, 2010
8. Physics

thanks a lot

posted on January 25, 2010
9. MATH

lynn is correct... Use logic.....For example use number 10 and 20..... 1/2 of 10= 5 1/2 of 20 =10.....You take 1/2 of each number but rsult is not the same

posted on January 25, 2010
10. math

1000marbles = 10 people taking 5 each= 950 but since he gives back 5 the answer is 955

posted on January 25, 2010
11. Confidetiality of Health information

posted on February 12, 2009
12. Reseach paper

I have just started my research for this paper and have had some success. As far as references and citations I have been using a program called eazy paper. You can download a free trial at their website. It is super helpful and well worth the download! I

posted on February 7, 2009
13. physics

thats because i don't know where to start duh

posted on September 30, 2008
14. physics

how does that help mee???

posted on September 26, 2008
15. physics

so how high does it go? I cant figure it out

posted on September 19, 2008