What is -k + 3k?

What is -k + 3k?
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It is -57k + 324
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A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m units would be a.8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k

Description : A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m ... .8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k

Last Answer : a. 8i - 6j - 3k

Find the value of k for 5x +2ky =3k, if x =1 and y =1 is its solution. -Maths 9th

Description : Find the value of k for 5x +2ky =3k, if x =1 and y =1 is its solution. -Maths 9th

Last Answer : Given, equation is 5x + 2ky = 3k. On putting x =1 and y =1 in this equation, we get 5(1) + 2k(1) =3k ⇒ 5 + 2k =3k ⇒ 5 = 3k - 2k ⇒ k = 5 Hence, required value of k is 5.

Find the value of k for 5x +2ky =3k, if x =1 and y =1 is its solution. -Maths 9th

Description : Find the value of k for 5x +2ky =3k, if x =1 and y =1 is its solution. -Maths 9th

Last Answer : Given, equation is 5x + 2ky = 3k. On putting x =1 and y =1 in this equation, we get 5(1) + 2k(1) =3k ⇒ 5 + 2k =3k ⇒ 5 = 3k - 2k ⇒ k = 5 Hence, required value of k is 5.

If the three points (k, 2k), (2k, 3k) and (3, 1) are collinear then k is equal to -Maths 9th

Description : If the three points (k, 2k), (2k, 3k) and (3, 1) are collinear then k is equal to -Maths 9th

Last Answer : (d) 3Let (x, y) be the co-ordinates of the third vertex of the triangle. Then\(rac{0+2+x}{3}\) = 1 and \(rac{0+0+y}{3}\) = 1⇒ 2 + \(x\) = 3 and y = 3 ⇒ \(x\) = 1, y = 3. ∴ Co-ordinates of vertices of the triangle ... - y3) + x2 (y2 - y3) + x3(y1 - y2)]= \(rac{1}{2}\) [0+6+0] = \(rac{6}{2}\) = 3.

If A = i + 2j + 3k and B = 3i - 2j + k, then the area of parallelogram formed from these vectors as the adjacent sides will be

Description : If A = i + 2j + 3k and B = 3i - 2j + k, then the area of parallelogram formed from these vectors as the adjacent sides will be

Last Answer : If A = i + 2j + 3k and B = 3i - 2j + k, then the area of parallelogram formed from these ... units (C) 6√3 square units (D) 8√3 square units

What is -k + 3k?

Description : What is -k + 3k?

Last Answer : It is -57k + 324

Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is ‘3k/l’. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade?(A) 35.5 (B) 43.75 (C) 81.25 (D) 48.25

Description : Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l'. If the wall temperature ... wall temperature in degree centigrade? (A) 35.5 (B) 43.75 (C) 81.25 (D) 48.25

Last Answer : (C) 81.25

If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good (A) E = 3K (1 - 2/m) (B) E = 2N (1 + 1/m) (C) (3/2)K (1 - 2/m) = N (1 + 1/m) (D) All the above

Description : If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of  the material, the following relationship holds good  (A) E = 3K (1 - 2/m)  (B) E = 2N (1 + 1/m)  (C) (3/2)K (1 - 2/m) = N (1 + 1/m)  (D) All the above 

Last Answer : (D) All the above 

For a given material, if E, C, K and m are Young's modulus, shearing modulus, bulk modulus and Poisson ratio, the following relation does not hold good (A) E = 9KC/3K + C (B) E = 2K (1 + 2/m) (C) E = 2C (1 + 1/m) (D) E = 3C (1 - 1/m)

Description : For a given material, if E, C, K and m are Young's modulus, shearing modulus, bulk modulus and Poisson ratio, the following relation does not hold good (A) E = 9KC/3K + C (B) E = 2K (1 + 2/m) (C) E = 2C (1 + 1/m) (D) E = 3C (1 - 1/m)

Last Answer : (C) E = 2C (1 + 1/m)

The relationship between Young’s modulus (E), Modulus of rigidity (C) and Bulk modulus (K) is given by a. E=9CK/(C+3K) b. E=9CK/(2C+3K) c. E=9CK/(3C+K) d. E=9CK/(C-3K)

Description : The relationship between Young’s modulus (E), Modulus of rigidity (C) and Bulk modulus (K) is given by a. E=9CK/(C+3K) b. E=9CK/(2C+3K) c. E=9CK/(3C+K) d. E=9CK/(C-3K)

Last Answer : a. E=9CK/(C+3K)

The relationship between Young’s modulus (E), Bulk modulus (K) and Poisson’s ratio (μ) is given by a. E=2K(1-2μ) b. E=3K(1-2μ) c. E=2K(1-2μ) d. E=2K(1-3μ)

Description : The relationship between Young’s modulus (E), Bulk modulus (K) and Poisson’s ratio (μ) is given by a. E=2K(1-2μ) b. E=3K(1-2μ) c. E=2K(1-2μ) d. E=2K(1-3μ)

Last Answer : b. E=3K(1-2μ)

A spring with a force constant k is cut into thirds. The force constant of each of the new springs is w) k x) 3k y) (1/3)k (read: one third k) z) 9k

Description : A spring with a force constant k is cut into thirds. The force constant of each of the new springs is w) k x) 3k y) (1/3)k (read: one third k) z) 9k 

Last Answer : ANSWER: X -- 3k

Do I really need a 3K dollar implant or am I being conned?

Description : Do I really need a 3K dollar implant or am I being conned?

Last Answer : You don’t need an implant, but you probably need something done to the tooth before you get an abscess even if it’s just to get it extracted.

If A = 5i + 6j + 4k and B = 2i - 2j + 3k determine the angle between A and B.

Description : If A = 5i + 6j + 4k and B = 2i - 2j + 3k determine the angle between A and B.

Last Answer : If A = 5i + 6j + 4k and B = 2i - 2j + 3k determine the angle between A and B.

If A = 2i + 7j + 3k and B = 3i + 2j + 5k, find the component of A along B.

Description : If A = 2i + 7j + 3k and B = 3i + 2j + 5k, find the component of A along B.

Last Answer : If A = 2i + 7j + 3k and B = 3i + 2j + 5k, find the component of A along B.

A force F = 4i + 6j + 3k acting on a particle produces a displacement of S = 2i + 3j + 5k where F is expressed in newton and s in metre.

Description : A force F = 4i + 6j + 3k acting on a particle produces a displacement of S = 2i + 3j + 5k where F is expressed in newton and s in metre.

Last Answer : A force F = 4i + 6j + 3k acting on a particle produces a displacement of S = 2i + 3j + 5k where ... and s in metre. Find the work done by the force.

Find the scalar product of the two vectors v1 = i + 2j + 3k and v2 = 3i + 4j - 5k.

Description : Find the scalar product of the two vectors v1 = i + 2j + 3k and v2 = 3i + 4j - 5k.

Last Answer : Find the scalar product of the two vectors v1 = i + 2j + 3k and v2 = 3i + 4j - 5k.

Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Description : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Last Answer : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Is 2 a solution of 7 equal to or greater than -3k?

Description : Is 2 a solution of 7 equal to or greater than -3k?

Last Answer : Yes, it is true.

Find the projection of A on B. Given A = 10j + 3k and B = 4j + 5k. a) 6 b) 6.25 c) 6.5 d) 6.75

Description : Find the projection of A on B. Given A = 10j + 3k and B = 4j + 5k. a) 6 b) 6.25 c) 6.5 d) 6.75

Last Answer : b) 6.25

ACALL instruction allows specifying ______address in the instruction and calling subroutine within ______ program memory block. a) 2byte, 3K b) 11bit, 2K c) 9bit, 2K d) 1byte, 3K

Description : ACALL instruction allows specifying ______address in the instruction and calling subroutine within ______ program memory block. a) 2byte, 3K b) 11bit, 2K c) 9bit, 2K d) 1byte, 3K

Last Answer : c) 9bit, 2K