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An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the
1. 1 answer
2. 736 views
An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the
1. 1 answer
2. 634 views
Why reversible reaction never complete
1. 2 answers
2. 820 views
the solubility of Mg(OH)2 at 25C is4.6x10^-3 g/100cm3? what is the solubility product of M g(OH)2?
1. 2 answers
2. 632 views
sally put red ,white,and blue handkerchiefs in a drawer. One-third of the hand kerchiefs were red ,one -fourth of the
1. 1 answer
2. 623 views
A total of $12,000 is invested into two simple interest accounts. On one account the annual simple interest rate is 12%, while
1. 1 answer
2. 696 views
A total of $8000 is deposited into two simple interest accounts. On one account, the annual interest rate is 10%, while on the
1. 5 answers
2. 1,735 views
Erehwon is a country where the only products produced were A & B, over 3 years, 2013. 2014 & 2015. What was the Nominal GDP for
1. 0 answers
2. 524 views
if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?
1. 1 answer
2. 437 views
a survey of 250 people showed that 220people favored a candidate for re-election what percent of the people surveyed favoured
1. 2 answers
2. 757 views
a quality control inspector found that 1.3percent of 1500 computer inspected were defective how many computer were defective
1. 2 answers
2. 803 views
15. Martin had a parochial fear of travel, so it suprised everyone when he.....
1. 1 answer
2. 735 views
Tina uses a $50 gift certificate to buy a pair ofpajamas for $17.97, a necklace for $25.49, and 3 pairs of socks that each cost
1. 13 answers
2. 3,970 views
A 6-pack of undershirts costs $13.98. This is $3.96 less than the cost of buying 6 individual shirts. If each undershirt costs
1. 2 answers
2. 548 views
tought cought lengh don't know start with scr spr thr
1. 2 answers
2. 359 views
0.5g of an organic compound x (containing carbon hydrogen oxygen) produces 0.733g of carbondioxide and 0.3g of water on complete
1. 0 answers
2. 691 views
Large group of students took a test in English and the final grades have a mean of 75 and a standard deviation of 8. If we can
1. 2 answers
2. 718 views
Large group of students took a test in English and the final grades have a mean of 75 and a standard deviation of 8. If we can
1. 0 answers
2. 655 views
A uniform solid cylinder of mass 1kg roll with out slipping on aflat surface at aspeed of 4m/s. What is the total kinetic energy
1. 1 answer
2. 581 views
Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2*9H2O
1. 2 answers
2. 4,957 views
from circuit R1 6680 ohm R2 680 ohm R3 330 ohm R4 180 ohm find the total resistance
1. 2 answers
2. 626 views
A ladder of length 10 m rests with its lower end on a horizontal floor and with a rate of 2m/sec when the lower end is at 8m
1. 1 answer
2. 402 views
a 2.00 * 10^5 kg lunar landing craft is about to touch down on the surface of the moon
1. 0 answers
2. 425 views
From your mass of MgNH4PO4.6H2O collected, calculate your valuea) for the mass of "P2O5" in the initial mass of fertilizer
1. 1 answer
2. 2,211 views
From your mass of MgNH4PO4.6H2O collected, calculate your valuea) for the mass of "P2O5" in the initial mass of fertilizer
1. 1 answer
2. 6,573 views
Peter is three years older than his sister paula. If their combined age is 21 find their actual ages.x+3=21 X+3-3=21-3 X=18
1. 3 answers
2. 1,976 views
the committee consisted of a businessman, a lawyer and lady doctor
1. 1 answer
2. 589 views
Hi, Please help me to this question would prove less than 10 hoursAthens has a population of n ,m club with any club membership
1. 0 answers
2. 434 views
City population N and M club, any club membership is an even number of members of both clubs prove m <n
1. 2 answers
2. 497 views
Urban population between n and m is the number of members of the club each club the number of members of both clubs even prove m
1. 0 answers
2. 410 views
An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission?
1. 1 answer
2. 563 views
explain in your own word why is it acceptable to take displacements of the trolleys x1 and x2 as a measure of the velocities of
1. 1 answer
2. 1,116 views
what is the total linear momentum of the trolleys (before the spring is released)
1. 3 answers
2. 674 views
you are given a 1kg trolley and a trolley of unknown mass.explain how the mass of unknown . Explain how the mass of the known
1. 0 answers
2. 441 views
the water in a 0.5 km wide river is flowing at 5 m/sec from west to east. a man row a boat with a velocity of 13 m/sec in a
1. 1 answer
2. 705 views
I'm analyzing JFK's speech for concession and counter argument. In this paragraph, I'm confused which is the counter and which
1. 2 answers
2. 646 views
You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35-year mortgage for 85 percent of the
1. 0 answers
2. 873 views
Problem 4: A block of mass m slides down a frictionless incline as:The block is released from height h above the bottom of the
1. 0 answers
2. 623 views
Problem 1: Consider a particle whose motion is described with the position vector: r (t) = ˆi2c cos𝞈t + ˆjc sin𝞈t, Where
1. 0 answers
2. 480 views
Problem 1: Consider a particle whose motion is described with the position vector: r (t) = ˆi2c cos𝞈t + ˆjc sin𝞈t, Where
1. 1 answer
2. 539 views
Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the
1. 2 answers
2. 906 views
Problem 2: A particle of mass m is released from rest in a constant gravitational field. Assuming that the air drag on the
1. 1 answer
2. 468 views
the sum of two number is 39 . twice the first number plus 3 times the second numberis 101. find the numbers.x+x+1=39 2x=38 x=19
1. 3 answers
2. 804 views
A music stores stock of music includes new releasesand top ten hots on the ratio of 3:5. How many top ten hits are tthere in a
1. 1 answer
2. 535 views
A music stores stock of music includes new releases and top ten hits in the ratio of 3:5. How many top hits are there was n a
1. 4 answers
2. 453 views
An object undergoes a displacement x while a force F acts on it. If F does zero work, then the angle between F and x must be
1. 1 answer
2. 1,011 views
A particle of mass 3.00 kg is projected vertically upward with an initial velocity of 20.0 m/s. Neglecting air resistance, the
1. 2 answers
2. 689 views
Why the vapour pressure of water and ethanol is 760 mm of Hg at 100 C and 78.5 C ?
1. 1 answer
2. 498 views
an object moves horizontally with a velocity v=20m/s with constant acceleration a=2m/ss.how faar does it move before its
1. 1 answer
2. 385 views
a projectile has a maximum range R=150m.find its initial velocity and the corresponding maximum height it reaches. at what angle
1. 1 answer
2. 480 views
Bringing the real world law into video games could hold various complications. The possible complications outweigh the penitence
1. 1 answer
2. 702 views
wheel is spinning with angular speed 8.6 radian/sec.small fractional force on shaft causes a constant angular deacceleration and
1. 1 answer
2. 570 views
starting from rest grinding stone has constant angular acceleration 20 rad/sec at time = 0.reference axis is AB.what is angular
1. 0 answers
2. 530 views
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object.
1. 1 answer
2. 484 views
2 point charges are located at the coordinates in the figure, how much work needs tomove a point charge q = �]20ƒÊC from B to
1. 0 answers
2. 520 views
4 same conductor balls with charge q = 40 ìC and mass m = 30g mare located at the corners of a square a = 30cm. Now let the
1. 0 answers
2. 417 views
the speed of pendulum is under root 0.91 and time period 1.8 sec what will be its time period in initial frame of reference
1. 0 answers
2. 483 views
Show that a right-circular cylinder of greatest volume that can be inscribed in a right-circular cone that has a volume that is
1. 1 answer
2. 4,024 views
I need to find companies that are a small business under 20 employers to try to contact for meetings.do you know any companies
1. 3 answers
2. 598 views
sec( pi/7)-sec(2pi/7)+sec(3pi/7)
1. 0 answers
2. 415 views
what is the formula of a base area for a right trapezoidal prism?
1. 1 answer
2. 597 views
Consider a consumer who has an experienced utility function given by . Let denote the market price of good , and assume that it
1. 0 answers
2. 670 views
a 4.5kw electric motor is 90% efficient.how much energy it use in 20 seconds.
1. 6 answers
2. 1,640 views
what type of numbers is found an odd number of times in the table
1. 1 answer
2. 319 views
t is a 7-digit even number.there is no repetition of digits.the digit 5 is in in thousands place.the greatest digit is in
1. 1 answer
2. 1,306 views
Tony is 1/2 of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour, and Laura is running at 7 miles
1. 1 answer
2. 893 views
If I made 12.40 and received a 3.5% increase what would my new salary be
1. 1 answer
2. 267 views
An activation energy of 2.0 eV is required to form a vacancy in a metal. At 800¡èC there is one vacancy for every 10^-4 atoms.
1. 0 answers
2. 1,067 views
two blocks a and b are connected by a cord passes over a frictionless pulley. the mass of a is 1.2 kg and the magnitude of
1. 1 answer
2. 511 views
we have 20 kinds of presents. we want to give 12 children presents but each child doesn't need to get one. No child can get 2
1. 0 answers
2. 421 views
What volume of 9.0Molarity of H2SO4 is required to react with 20.0g of NaOH?
1. 1 answer
2. 380 views
write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize
1. 3 answers
2. 1,360 views
write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize
1. 7 answers
2. 826 views
how much heat must be removed froms 20 g of water at 130 c to make 20 g water at -22 c
1. 0 answers
2. 825 views
how much heat must be removed from 20g of water at 130 c to make 20 g water at -22 c
1. 1 answer
2. 439 views
sphere A has a mass of 4.2*10^-2 kg and is tethered to a wall by a thin thread. Sphere a has an excess of 1.2 *10^12 electrons.
1. 0 answers
2. 737 views
correct the grammar of the following text:Jason Turner thought he did the right thing when he had seen a man get into a car and
1. 2 answers
2. 1,182 views
A meterstick (L = 1 m) has a mass of m = 0.174 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at
1. 1 answer
2. 767 views
How to make a concept about abstract painting
1. 1 answer
2. 423 views
how many 2 inch pieces can be cut from a 10 foot bar
1. 1 answer
2. 357 views
In a new scenario, the block only makes it (exactly) halfway through the rough spot. How far was the spring compressed from its
1. 1 answer
2. 522 views
You are on an airplane traveling 30° south of due west at 130.0 m/s with respect to the air. The air is moving with a speed
1. 1 answer
2. 2,532 views
You are on a train traveling east at speed of 17.0 m/s with respect to the ground.1) If you walk east toward the front of the
1. 0 answers
2. 784 views
A cannonball is shot (from ground level) with an initial horizontal velocity of 36.0 m/s and an initial vertical velocity of
1. 1 answer
2. 5,003 views
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25.0 meters above the ground. Then, 0.6 seconds
1. 1 answer
2. 1,415 views
A blue ball is thrown upward with an initial speed of 19.8 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after
1. 1 answer
2. 1,193 views
in a boy's school,5/8 of the boys play football and 4/7 play rugby.if every boy play atleast one of the two games,ind the
1. 1 answer
2. 829 views
Assume an investor with 5 years investment horizon is considering purchasing a 7 years 6% coupon selling at par. The investor
1. 0 answers
2. 520 views
A train sounding its horn is approaching an observer. The pitch of the horn's sound relative to its normal pitch is???
1. 2 answers
2. 901 views
how do you subtract hundreds?
1. 1 answer
2. 301 views
a set of maths exame score mean is 70 and variance is 8. a set of english score has mean is 74 and variance is 16. for which
1. 1 answer
2. 1,004 views
Water is leaking out of an inverted conical tank at a rate of 12200 cubic centimeters per minute at the same time that water is
1. 1 answer
2. 514 views
A 40N force applied at an angle of 37 degrees above the horizontal pulls a 5kg box on a horizontal floor. the acceleration of
1. 1 answer
2. 999 views
a 2kg and a 4kg hang freely at opposite end of a light in-extensible string which passes over a small and light pulley fixed to
1. 4 answers
2. 488 views
The perimeter of a rectangular pool is 84 feet. The width of the pool is half the length. What are the measurements of the
1. 1 answer
2. 1,891 views
how do you do electron dot diagrams?
1. 1 answer
2. 543 views
simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your
1. 3 answers
2. 288 views
lisette drew a rectangle and divided it into fourths. She colored the whole rectangle. How many fourths were colored?
1. 1 answer
2. 388 views
ROMEO AND JULIETwhat are juliets feelings towards romeo in act 3 scene 2 from lines 1-35?
1. 4 answers
2. 1,135 views
Sketch one face of a simple cubic unit cell of side a for the case when the maximum fraction of the lattice in volume is filled
1. 1 answer
2. 1,132 views

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