Taaju

2. If Ā= 8i- 8j. B = -i +6j and č= -25. Find the constants a and b such that aÃ+ bB + Č = 0.

1 year ago

2. If A = 8i- 8j. B = -i +6j and C = -25. Find the constants a and b such that aA+ bB + C = 0.

1 year ago

14. A boy is riding a bicycle at a velocity of 4 m/s. The bicycle's wheel's have a diameter of 0.8m and 40 revolutions. a) what is the velocity of a point on the rim of the wheel? c) what is the angular acceleration of a point on the rim of the wheel?

1 year ago

14. A boy is riding a bicycle at a velocity of 4 m/s. The bicycle's wheel's have a diameter of 0.8m and 40 revolutions. b) Calculate the angular displacement and velocity of the wheel. c) what is the angular acceleration of a point on the rim of the wheel...

1 year ago

Differnce between angular and circular motion

1 year ago

4. If the solution of 2x² + (k- 3)x-7 = 0are 3.5 and -1,then what is the value of k?

1 year ago

6. If 3(log2 a+log2 3)=1/9. then a is equal to:-

1 year ago

10. If f(x) =X-1/(x+1)(x-2)²Which is true about f?

1 year ago

12. What are the values of A, B.C.respectively so that- x-1/x³+x=A/x +Bx+C/x²+1

1 year ago

12. What are the values of A, B.C.respectively so that x-1/x³+x=A/x +Bx+C/x²+1

1 year ago

12. What are the values of A, B.C.respectively so that x-1 / x³+x = A / x + Bx + C / x²+1

1 year ago

12. What are the values of A, B.C.respectively so that x-1 / x³+x = A / x + Bx + C / x²+1 ?

1 year ago

15. If M and N are real roots of 4x²- 4x = 3, then compute the numerical value of M² + N²?

1 year ago

17. Solve 3x² – 3x½ =8

1 year ago

17. Solve 3x² – 3x⁰•⁵ =8

1 year ago

17. Solve 3x² - V3x =8

1 year ago

Difference between angular and circular

1 year ago

19. What is the solution set of the system X-2y =10 2x + 3y =8

1 year ago

1) If the weather had been better, we (to come) by bike.

1 year ago

2) If you were older, you (to go) to the party.

1 year ago

4) John's mother (to have) more time for him if he does the washingu

1 year ago

7) If Brian (to like) horses, he could ride well.

1 year ago

Modals are auxiliary or helping verbs a) will b) shall c) may d) would e) can f) could g) must h) oughto i) should

1 year ago

4. Eating is forbidden in class! You

1 year ago

1. My son be home by now. Where can he be? a have to b. would c. should d. could

1 year ago

Which diffusion is faster out of cars type of oxygen or nitrogen ? How much faster

1 year ago

The rate of diffusion of CO2 is 1.75 times that of an unknown gas what is the molecular mass of the unknown gas

1 year ago

What is solutions

1 year ago

33. What mass of helium in grams is required to fill 15.0 L balloon to a pressure of1.1 atm at 25°C?

1 year ago

Give explain about types of hyberdization using examples type of hyberdization

1 year ago

2. Balance the following equations by the LCM method. a PCl5+ H20→ H3PO4 + HCl

1 year ago

H2O2

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H3PO4

1 year ago

AlPO4

1 year ago

NHO3

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H2S

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Cao

1 year ago

Meaning of CaO

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NO + S + H2O

1 year ago

NO word

1 year ago

Equations word No

1 year ago

2 How many litres of sulphurdioxide are formed when 4800 cm³ of sulphur dioxide is burned in air?

1 year ago

How many moles in 270g of water

1 year ago

Two negative charge

1 year ago

Draw the electric field lines for A)Two negative charge B)two unlike charge

1 year ago

1. Which of the following is different from others? Covalent bonding C. Metallic bonding B. Ionic bonding D. Hydrogen bonding 2. Which one of the following pair of molecules or species is not isoelectronic pair? A. CO and N2 B. NH3 and H3O+ C. N2 and CN-...

1 year ago

2. Which one of the following pair of molecules or species is not isoelectronic pair? A. CO and N2 B. NH3 and H3O+ C. N2 and CN- D. CO2 and SO2

1 year ago

2. Which one of the following pair of molecules or species is not isoelectronic pair? A. CO and N2 B. NH3 and H3O+ C. N2 and CN- D. CO2 and SO2 3. Which covalent molecule contains more number of total valance electrons than the others? A. SO4 -2 B. NH4+ C...

1 year ago

HARAR HEALTH SCIENCE COLLAGE, 2016E.C CHEMISTRY CYCLE TEST FOR REMEDIAL STUDENTS Atomic number (z) and Atomic mass (A) Elements H He Li Be B C N O F Ne Na Mg Al Si P S Cl Z 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 A 1 4 7 9 9 12 14 16 19 20 23 24 27 28 3...

1 year ago

GENERAL DIRECTIONS: CHOOSE THE BEST ANSWER FROM THE SUGGESTED OPTIONS AND WRITE THE LETTER OF YOUR CHOICE ON THE ANSWER SHEET. 1. Which of the following is different from others? Covalent bonding C. Metallic bonding B. Ionic bonding D. Hydrogen bonding 2....

1 year ago

The central atom in XeF4 is surrounded by A. 3 single bonds, 1 double bond, and no lone pairs of electrons. B. 3 single bonds, 1 double bond, and 1 lone pair of electrons. C. 4 single bonds, no double bonds, and no lone pairs of electrons. D. 4 single bon...

1 year ago

9. "Two atoms each provide two electrons that are shared by the two atoms" This is a description of a A. Triple covalent bond C. Double covalent bond B. Coordinate covalent bond D. Single covalent bond

1 year ago

Double covalent bond

1 year ago

Single civalent bond

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Coordinate covalent bond

1 year ago

21. Which of the following statements concerning the length of carbon –carbon single, double & Triple bond is true? A. Carbon - carbon single bond is shorter than either double or triple bond B. The carbon – carbon double bond is shorter than either singl...

1 year ago

29. Among the following molecules which one cannot exist as a molecule? A. He2 B. C2 C. B2 D. CN-

1 year ago

List at least three source of magnetic field

1 year ago

Write the similarity and difference between electric field lines and magnetic field lines

1 year ago

2,2,3,4 -tetramethylpentane

1 year ago

Draw the structure 2,2,3,4 -tetramethylpentane

1 year ago

Write the common name of alkane and give example

1 year ago