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Phil

Questions and answers by visitors named Phil

Questions (167)

Mr. Smith, my Spanish teacher, is going on vacation. is this correct PUNCTUATION AND GRAMMER
1. 4 answers
2. 2,020 views
Piano movers hoist a 200 kg piano 10 m high in 30 s using a rope and simple pulley. What is their power output?(Points : 1) 70 W
1. 5 answers
2. 2,684 views
The angles of elevation of the highest point of a building from two points S and T are 60 degree and 30 degree respectively,T is
1. 3 answers
2. 632 views
i was wondering which ones are soluble in water and what ones are not: K2CrO4, CaS, Na2S, and BaSO4I was also wondering if AgBr
1. 1 answer
2. 1,012 views
im not sure how u solve these types of problems...How many moles of NaOH are contained in 200ml of a 0.1M of NaOH? How many
1. 1 answer
2. 1,195 views
What happened at the demonstrations in albany,georgia and birmingham and talk about the role of young people...i don't rly want
1. 1 answer
2. 486 views
How did womens experiences in civil rights and antiwar protests increase their awareness of sexism?A feeling of equality. I
1. 1 answer
2. 553 views
poem is to ________ as novel is to chapterStanza? or couplet or line ?? or verse sonnet?
1. 2 answers
2. 526 views
Explain the turmoil of Latin american countries, whos involved and whats the consequences of their actions. Also what has
1. 2 answers
2. 535 views
What are some examples were the u.s has relied on international organizations.. Wat were some situations were the policy was
1. 1 answer
2. 435 views
I have the equation:cos x - x = f(x) I am told to find the relative extrema. I am also told to use the Second Derivative Test
1. 3 answers
2. 532 views
what would be a good catch phrase for the The Girondists during the French Revolution
1. 1 answer
2. 318 views
6a. I lay my book on the table, but now I cannot find it.6b. I laid my book on the table, but now I cannot find it. I chose B.
1. 3 answers
2. 571 views
While wearing uniforms does not necessarily guarantee academic success; not wearing uniforms deters students from concentrating
1. 5 answers
2. 1,116 views
Why isn't hydrochloric acid used to both dissolve and precipitate silver?
1. 4 answers
2. 2,972 views
What was the name of the treaty that NE negotiated with Spain shortly after the American Revolution that would increase American
1. 7 answers
2. 678 views
How did John Adams help establish a stable government after the constitution?Like I know he almost put us in the Quasi-War and
1. 2 answers
2. 689 views
What is the difference between Juxtaposition and Antithesis?
1. 1 answer
2. 442 views
What is the effect on the boiling point of a solution (for example, water) produced by a soluble nonvolatile substance (for
1. 4 answers
2. 4,944 views
This question has me very lost.Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the
1. 4 answers
2. 2,551 views
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The
1. 2 answers
2. 728 views
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The
1. 2 answers
2. 553 views
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The
1. 2 answers
2. 560 views
In my last post, I'm confused how drwls got P2/P1 = 14.8
1. 1 answer
2. 272 views
QUESTION:A 200 N/m, 5 m spring on a 20 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect
1. 1 answer
2. 507 views
QUESTION:A 200 N/m, 5 m spring on a 20 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect
1. 1 answer
2. 413 views
A 200 N/m, 5 m spring on a 20 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect friction, how
1. 1 answer
2. 329 views
A standing is generated by two waves which have a velocity of 20 m/s, and go through 10 cycles in 2 seconds. How far is it from
1. 2 answers
2. 993 views
A standing is generated by two waves which have a velocity of 20 m/s, and go through 10 cycles in 2 seconds. How far is it from
1. 1 answer
2. 354 views
A researcher found that 11.56 g of lead sulfide, PbS, were formed when each of the following occurred:10.0 g of lead reacted
1. 3 answers
2. 1,370 views
Let xy = 5 and { dy }/{ dt } = 3.Find { dx }/{ dt } when x = 1.
1. 3 answers
2. 1,513 views
Find the point on the line 2 x + 7 y + 4 =0 which is closest to the point ( 0, 1 )
1. 4 answers
2. 643 views
How would someone calculate the average velocity of something from a velocity vs. time graph?
1. 1 answer
2. 316 views
I'm not sure how to do the last problem in this pdf:h t t p : / / t i n y u r l . c o m / y 9 q f 4 7 4 Any help would be
1. 1 answer
2. 439 views
Hi maybe someone can help me out, since my teacher isn't available today and this is due tonight :D.Find the heat that flows in
1. 3 answers
2. 562 views
A boy sits in a tire that is attached to a rope that passes over a pulley fastened to the ceiling and then passes back down to
1. 5 answers
2. 2,647 views
Please respond to my previous post.
1. 1 answer
2. 316 views
Your rich godfather has offered you a choice of one of the three following alternatives: $10,000 now; $2,000 a year for eight
1. 2 answers
2. 818 views
How many Ca +2 ions in 40.08g of CaCO3 (Calcium Carbonate)I'm unsure on how to approach this problem and set it up.
1. 2 answers
2. 498 views
Two angles are complementary. THe sum of the measure of the first angle and one forth of the second angle is 58.5 dagrees. Find
1. 1 answer
2. 437 views
1.) Describe the proper way to use a meter stick and why this technique is necessary (include an explanation of uncertainty).2.)
1. 4 answers
2. 2,805 views
Estimate the average force exerted by a shot-putter on a 6.5 kg shot if the shot is moved through a distance of 2.7 m and is
1. 2 answers
2. 953 views
A child on a sled reaches the bottom of a hill with a velocity of 12.0 m/s and travels 22.0 m along a horizontal straightaway to
1. 3 answers
2. 1,404 views
{ The subscripts are in curly brackets }A mass m is at rest on a horizontal frictionless surface at t=0. Then a constant force
1. 2 answers
2. 993 views
A sprinter starts from rest in a 100-meter race, accelerates to his full running speed of 10.3 m/s in 1.15 seconds (assume
1. 6 answers
2. 2,312 views
A 1100 kg car is moving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car
1. 1 answer
2. 984 views
A 1100 kg car is moving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car
1. 2 answers
2. 1,038 views
A 48V battery delivers power to a golf cart. The golf cart drives for 45 seconds while the batteries deliver 12A of current.How
1. 3 answers
2. 434 views
Three Coulombs of charge flow through a wire in 150 ms.If the current ceases to flow (goes to zero Amps) for the following 850
1. 1 answer
2. 462 views
h t t p : / / b i t . l y / 9 S F F F oa) What is the minimum value of F needed to move the two blocks? b) If the force is 10%
1. 1 answer
2. 573 views
Estimate the work you do to mow a lawn 14m by 23m with a 0.5m-wide mower. Assume you push with a force of about 15N.
1. 1 answer
2. 614 views
Estimate the work you do to mow a lawn 14m by 23m with a 0.5m-wide mower. Assume you push with a force of about 15N.
1. 3 answers
2. 777 views
A 13 cm long animal tendon was found to stretch 3.8 mm by a force of 13 N. The tendon was approximately round with an average
1. 5 answers
2. 4,124 views
What is the structure of N4O, where the 3 nitrogen bonds have different bond lengths and the N=O bond is a double bond. I just
1. 4 answers
2. 1,936 views
A scale reads 20.3 N when an object is not submerged in water and 20.0 N when the object is (completely) submerged in water.What
1. 3 answers
2. 585 views
f(x)=4x^2+7x-5 and g(x)=-9x^2+3x-14
1. 1 answer
2. 318 views
A brass plug is to be placed in a ring made of iron. At 20 degrees Celsius, the diameter of the plug is 8.737 cm and that of the
1. 4 answers
2. 3,695 views
Show that if a, b, c are in V3, then(a x b) dot [(bxc)x(cxa]) = [a dot (b x c)]^2 I don't know what properties to use
1. 1 answer
2. 725 views
Show that if a, b, c are in V3, then(a x b) dot [(bxc)x(cxa]) = [a dot (b x c)]^2 I don't know what properties to use
1. 1 answer
2. 505 views
Find the equation of the plane through (1,2,-2) that contains the line x = 2t, y = 3 - t, z = 1 +3t
1. 4 answers
2. 2,036 views
Can someone please help me?The brakes of a truck cause it to slow down by applying a retarding force of 2.60 103 N to the truck
1. 2 answers
2. 1,043 views
How many ml are there in .032L ?
1. 1 answer
2. 266 views
Two companies, A and B, produce widgets. Each can produce 0, 1, 2, 3, or 4 widgets (they canâ€™t produce fractions of
1. 1 answer
2. 461 views
Two companies, A and B, produce widgets. Each can produce 0, 1, 2, 3, or 4 widgets (they canâ€™tproduce fractions of
1. 2 answers
2. 588 views
Determine the stopping distances for a car with an initial speed of 93 km/h and human reaction time of 3.0 s for the following
1. 2 answers
2. 626 views
If is added to = 6.7 + 6.9, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of .
1. 1 answer
2. 382 views
If vector B is added to vector C = 6.7 + 6.9, the result is a vector in the positive direction of the y axis, with a magnitude
1. 2 answers
2. 949 views
(7) Show that if a particle moves at an angle θ with respect to the x-axis with speed u in frame S, then it moves at an angle
1. 1 answer
2. 442 views
Units count.Show all steps, not just the numerical substitutions. Show the equations you used. No information is missing. A
1. 1 answer
2. 416 views
A person throws a ball upward into the air with an initial velocity of 15.0 m/s.Calculate the following: a.) how high it goes.
1. 4 answers
2. 1,367 views
The coefficient of kinetic friction for a 22 kg bobsled on a track is 0.15. What force is required to push it down a 6.0°
1. 4 answers
2. 2,646 views
A chair with a mass of 30.0kg is shot with a 10g bullet traveling at a speed of 250m/s. The bullet goes 6cm into the chair. The
1. 1 answer
2. 970 views
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 151 N/C downward
1. 1 answer
2. 495 views
Suppose you know ó and you want an 85 percent confidence level. What value would you use to multiply the standard error of the
1. 1 answer
2. 467 views
Sphere W (with an initial charge of zero) is touched to sphere A and then they are separated. Next, sphere W is touched to
1. 1 answer
2. 1,096 views
Here is the problem in image form:h t t p : / / i . i m g u r . c o m / g n 1 j R . p n g
1. 1 answer
2. 268 views
This problem contains a graph:h t t p : / / i . i m g u r . c o m / p s z e p . p n g
1. 1 answer
2. 253 views
Sphere W (with an initial charge of zero) is touched to sphere A and then they are separated. Next, sphere W is touched to
1. 3 answers
2. 769 views
Figure (a) shows charged particles 1 and 2 that are fixed in place on an x axis. Particle 1 has a charge with a magnitude of
1. 1 answer
2. 1,070 views
Figure (a) shows charged particles 1 and 2 that are fixed in place on an x axis. Particle 1 has a charge with a magnitude of
1. 4 answers
2. 4,732 views
What is the Heat Change in kilojoules when 61.5 g of steam is cooled from 111 degrees C to 100 degrees C?
1. 1 answer
2. 443 views
Calculate the heat released from 61.5 g of steam at 111 degrees C is converted to water at 39 degrees C. Assume the specific
1. 1 answer
2. 633 views
This question contains a graph:h t t p : / / i . i m g u r . c o m / Q z l x d . p n g
1. 1 answer
2. 331 views
Two electrons are fixed 2.99 cm apart. Another electron is shot from infinity and stops midway between the two. What is its
1. 1 answer
2. 430 views
A vibration platform oscillates up and down with an amplitude of 10.2 cm at a controlled variable frequency. Suppose a small
1. 2 answers
2. 870 views
HELP! A tennis ball is attached to a .8m long string whirled around in a circle with a constant frequency of 1.2 Hz. What is the
1. 2 answers
2. 541 views
if I scored 72 out of a 100, what do i need to score to bring up may average to 80%
1. 3 answers
2. 269 views
Two block are connected by a rope that runs over a pulley. The block on the tables has mass 4kg, the hanging block has mass 2kg,
1. 2 answers
2. 997 views
Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.
1. 1 answer
2. 424 views
HELP WITH c.!!!A electric bill showed 1200 kilowatt hours (kWh) purchased at a cost of $150.00. a. What does PECO charge per
1. 1 answer
2. 449 views
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15
1. 1 answer
2. 424 views
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15
1. 4 answers
2. 8,276 views
What is the inverse of y = (3/7)x + 9I know you have to switch x and y so I get to x-9=(3/7)y from there I don't know what to
1. 4 answers
2. 358 views
True or False: If an agebraic expression calls for Y=8, that means that you will use the number 8 to replace the letter Y in
1. 2 answers
2. 509 views
What is the value of 20x when x = 10.(Thank you in advance and Happy New Year! :)
1. 1 answer
2. 402 views
What is the value of 3a when a = `4.(Thank you in advance & Happy New Year!)
1. 2 answers
2. 849 views
What is the evaluation of:a - 13 when a = 33. Thanks & Happy New Year :)
1. 1 answer
2. 387 views
Simplify:2 + 3 . 10 Devided by 5 . 3 - 9 (Thanks and Happy New Year!)
1. 1 answer
2. 328 views
What is the area of a triangle if the base is 12 inches and the height is 18 inches?
1. 2 answers
2. 892 views
True or False: The U.S. "Superior" Court is the Nation's most powerful court? (is Superior and Supreme one in the same?)
1. 2 answers
2. 546 views

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