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Ahmed

Questions and answers by Ahmed

Questions (71)

A capacitor of capacitance 3.0microfarad is subjected to a 2000v potential difference across its terminal.calculate the energy
1. 5 answers
2. 2,479 views
An Aeroplane X Whose Average Speed Is 500km/h Leaves Kano Airport At 7:00am And Travels For 2 Hours On A Bearing 050 Degree. It
1. 7 answers
2. 3,784 views
Find two positive numbers whose product is 81 and whose sum is a minimum. (If both values are the same number, enter it into
1. 4 answers
2. 2,420 views
I have no idea what is the first step in the question. Please solve it for me. Following is the question relating to the chapter
1. 2 answers
2. 1,061 views
Could Presidential Reconstruction have succeeded if politically skilled Abraham Lincoln instead of politically inept Andrew
1. 2 answers
2. 1,196 views
Does sugar have evaporation
1. 5 answers
2. 301 views
If there is not enoufh police patroling in the city what would happen to us citizens?
1. 5 answers
2. 401 views
What kind of indians already lived in colonial New York?
1. 1 answer
2. 382 views
do the following moves in a coordinate system: start at the origin facing in the positive y direction and move 1 unit. For each
1. 3 answers
2. 496 views
One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia.4NH3 (aq) + 5O2 (g)
1. 3 answers
2. 2,309 views
How do you substitute a proportion
1. 1 answer
2. 398 views
determine the intervals where f(x) = ln(6x-24) is continuous
1. 4 answers
2. 905 views
vector a points in the negative x direction and has a magnitude of 22 units . The vector B points in the positive y direction a.
1. 2 answers
2. 948 views
The influence of oil in Saudi Arabia has effected Saudi Arabia. For example they used oil accounts for more than 90% of exports
1. 1 answer
2. 670 views
on perfectly smooth and frictionless hockey field at 20n , how slowly a puck be driven to perform an inertial circle of diameter
1. 1 answer
2. 415 views
A 10.0 Kg block is released from point A in the figure below. The block travels along a smooth frictionless track. It makes a
1. 1 answer
2. 402 views
If the sea level rises by 20 cm from west to east , across the Red sea, a distance of 250 km at 20 N, what is the average speed
1. 1 answer
2. 422 views
Use appropriate Lagrange interpolating polynomials of degrees one, two, and three to approximate each of the following: a.
1. 2 answers
2. 1,181 views
If the average time from one on state to the next one on the first photogate is 0.005 seconds, what is the speed of the cart at
1. 6 answers
2. 964 views
A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length,
1. 1 answer
2. 785 views
let f(x)=(x-1)^2, g(x)=e^(-2x), and h(x)=1+ ln(1-2x)find linearization of f, g, and h at a=0 Lf(x)= Lg(x)= Lh(x)= graph f,g, and
1. 5 answers
2. 9,567 views
Find Net Ionic equation for hydrolysis , Expression for equilibrium constant (Ka or Kb) and Value of (Ka or Kb)Net Ionic
1. 3 answers
2. 9,518 views
q// calculate the concentration of Potassium ion in grams per liter after mixing 100mL of 0.250M KCL and 200 mL OF 0.100 M
1. 3 answers
2. 3,140 views
A diver’s take- off velocity is 5 m/s at an angle of 15º to the horizontal during a dive. His centre of gravity is 0.4 m
1. 2 answers
2. 530 views
a quart is approximately sixty cubic inches. a cubic feet of water weighs approximately sixty pounds. therefore, a quart of
1. 2 answers
2. 754 views
A force F acts to the right on a 4.81 kg block.A 2.53 kg block is stacked on top of the 4.81 kg block and can slide on it with a
1. 2 answers
2. 572 views
In a certain material for which µ = 6.5 o , H = 10ax + 25ay - 40az A/m Find (a) The magnetic susceptibility xm of the
1. 1 answer
2. 829 views
the positive point charges + q are placed at three corners of a square , and a negative point charge -Q is placed at the fourth
1. 2 answers
2. 708 views
Bob does 2/7 of a book in 1 hour.how long will he take to do the remaining work?
1. 3 answers
2. 1,185 views
Find the work done by a traveller carrying a suitcase of mass 8.2 kg by pulling up on it when walking forward for a distance of
1. 2 answers
2. 519 views
Ramy jumped from the window from the height of 400 feet. His speed of feeling was 10 feet. second write a functions to represent
1. 4 answers
2. 488 views
Charlotte divided a whole pizza into 4 pieces . One piece formed a straight angle. One piece formed a right angle . Two pieces
1. 4 answers
2. 626 views
Name three key reasons for migration
1. 4 answers
2. 539 views
A toy rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket engine provides constant upward
1. 1 answer
2. 1,181 views
Consider ∠C such that sin C = 7/25a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is
1. 2 answers
2. 517 views
Hello, I want to know what the amplitude and the phase shift would be for this question to model the equationQ. A pendulum is
1. 6 answers
2. 998 views
A pendulum is connected to a rope 3 m long, which is connected to a ceiling 4 m high. The angle between its widest swing and
1. 3 answers
2. 1,402 views
The liquid waste produced ________ is collected by the kidneys and passes through the __________ to the ___________,
1. 3 answers
2. 1,028 views
1. People (hear, hears) the Cherokee language.2. Fur trader Abraham Wood (send, sends) two men. 3. The program about the
1. 4 answers
2. 854 views
1. People (hear, hears) the Cherokee language.2. Fur trader Abraham Wood (send, sends) two men. 3. The program about the
1. 3 answers
2. 1,092 views
1. Kevin checked out an invention book because ---------had a lot of information. 2. I said, "Show--------the book." 3. Maggie
1. 5 answers
2. 1,148 views
Combine each pair of sentences. Use verbs Action and being in the new sentence. Write the new sentence1. Jena jumped four feet
1. 5 answers
2. 1,217 views
Combine each pair sentences. Use verbs Action and being in the new sentence. Write the new sentence.The coaches were impressed.
1. 6 answers
2. 614 views
9. Mr. and Mrs. Perry packed their lunch 5 days in a row. Each of them packed 3 oatmeal cookies for dessert every day. What is
1. 3 answers
2. 588 views
storm -thorns -shark -garden -bored -harm -shore -arm -l'd -l'vel worked in my ------ but İ soon vame to -------
1. 4 answers
2. 445 views
storm -thorns -shark -garden -bored -harm -shore -arm -l'd -l'veThen ------ just reached the woods the shade of tall trees
1. 4 answers
2. 406 views
Then ------just reached the woods the shade of tall trees (I've -l'd )l thing the answer is (l'd )but lm not sure
1. 1 answer
2. 390 views
Eiv's beagle welghs 35 pounds. Her Great Dane weighs twice as much as the beagle plus 2 more pounds. How much does the Great
1. 3 answers
2. 466 views
What might happen if you stay outside during a lightning storm?
1. 1 answer
2. 420 views
An iron weight is 200lb in air how much force is required when it is emerged in water to support an anchorIron= 480 lb/ft cube
1. 3 answers
2. 465 views
A horizontal pipe 10cm has asmootion to apipe 5 cm in diameter if the pressure of water in the large pipe is 80000pa and the
1. 2 answers
2. 766 views
What was the shortest distance, in miles, that a student ran?
1. 5 answers
2. 1,380 views
How many (a) H+ ions and (b) OH" ions are present in 250 ml of a solution of pH3?
1. 3 answers
2. 1,599 views
What is the pH of a 10^8 M solution of HCl
1. 3 answers
2. 565 views
Express each function as a trignometric function of x
1. 1 answer
2. 170 views
The sum of three numbers is 45. the second number is 3 times the first number. the third is 4 less then the second.
1. 1 answer
2. 198 views
The sides of a triangle are x cm,x+3 cm and 10 cm.if x is a whole number of cm,find the lowest value of x. (Hint:The sum of the
1. 4 answers
2. 428 views
Make a polar plot of the function r= 2sin(3&) for 0 <_ & <_ 360
1. 1 answer
2. 157 views
how fo you mean by arteries
1. 1 answer
2. 124 views
A contractor needs four carpenters; ten are sent from the union hall.a. In how many ways can he pick his work crew? ab, ac, ad,
1. 3 answers
2. 461 views
PLEASE I NEED HELP ON CONXX UNIT 4 LESON 3
1. 1 answer
2. 171 views
hello can you help me with English i really need sum help on unit 2 lessons 5
1. 1 answer
2. 137 views
Calculate the radius of a palladium (Pd) atom, given that Pd has an FCC crystal structure, a density of 12.0 g/cm3 , and an
1. 4 answers
2. 2,585 views
Find Y(94) = D^4y/Dx^4 If Y = -2 Sinx
1. 1 answer
2. 187 views
2. Solve the following LPP using Simplex method. (10 marks)Max P = 12X + 16Y Subject to: 10x + 20y <= 120 8x + 8y <= 80 Where X
1. 1 answer
2. 292 views
Grade 10 end of unit question 11
1. 1 answer
2. 65 views
There is § of a puzzle in every box of cereal. Use a fraction to show the number of puzzles in 6 boxes of cereal.
1. 1 answer
2. 81 views
10. Twins Garry and Larry had identical casseroles for their graduation. At their party, the guests ate of Garry's casserole and
1. 1 answer
2. 96 views
13. Ansel spent 2 hours working on a birdhouse. At the end of the 2 hours, he had finished ½ of the birdhouse. If he is able to
1. 2 answers
2. 110 views
14. Erika spent 3 of her allowance. Write an equivalent fraction for the amount she did NOT spend.
1. 3 answers
2. 138 views
Chase and Abigail walked the same distance to school. In ten minutes, Chase walked Z and Abigail walked ½ of the distance.
1. 1 answer
2. 91 views

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