# Posts by mb

Total # Posts: 62

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" ...

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

Math
((1.645*197)/11)^2

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, how ...

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.

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?

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

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

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

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.

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 delta(s)H=-([massH2O*deltaTH20]+[mass(MgCl2)*C(...

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

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?

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

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

Science
1.49*10^-18

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.

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)

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

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

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.

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)

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

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 pile driver? [Answer ...

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 explanation of how ...

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] (c) While it ...

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!

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 section of the ...

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?

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?

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

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

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

Physics
thanks a lot

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

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

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

computer science
how was the price of computation changed over time?

computer science
Where do basic technical innovations most often originate?

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 much does the ball ...

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 point? An artillery ...

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 the building?

physics
Tom the cat is chasing Jerry the mouse across the surface of a table 1,5m above the floor. jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5m/s. Where will tom strike the floor? Tom the cat is chasing Jerry the mouse ...

physics
thats because i don't know where to start duh

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 much does the ball ...

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 point? An artillery ...

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 the building?

physics
Tom the cat is chasing Jerry the mouse across the surface of a table 1,5m above the floor. jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5m/s. Where will tom strike the floor? Tom the cat is chasing Jerry the mouse across...

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 student stands at the...

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 ft away. Report answer...

physics
how does that help mee???

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?

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?

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).

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 lasting for at least 1 ms ...

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

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?

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???!!

Confidetiality of Health information

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 suggest watching the ...

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

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 leave the cylinder to...

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