Suppose that à = 2i + j, B =i- 4j + k, and =j+k. What is A· (B x Č), A) -2 k B) -11 -2 D) -11 k

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and ac...

A: we use the relation x=ut+12at2

Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

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Q: Find the magnitude of the force on a 9.85-C charge moving with velocity 9.56 m/s west in a uniform m...

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Q: Technetium-99m is a radioactive isotope with a half-life of 6 hours. If a sample of was originally 1...

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Q: Three point charges lie along a straight line as shown in the figure below, where q = 5.58 µc, q2 = ...

A: Given : Charge on q1 = 5.58×10-6 C Charge on q2 = 1.52×10-6 C Charge on q1 = -2.08×10-6 C

Q: What is the capacitance of a capacitor if it is constructed with two square metal plates with an are...

A: for a parallel plate capacitor  capacitance C =  ε0Ad where A = area of plate  d = separational dist...

Q: block of mass M is hung by ropes as shown. The system is in equilibrium. The point O represents the ...

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Q: A4.11 A ball sits at rest on a horizontal tabletop. According to Newton's third law, by itself (F, )...

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Q: placement vector is 23 km in length and directed 65° south of east. What are the components of this ...

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Q: 5. If the magnetic vector potential in a region is given as A = K[x(x²+y°)+y(z+r)+2ry], where K is s...

A: According to question we need to find magnetic field?

Q: To get to the net, a soccer ball must travel 35 m/s [S 40° W].  If one player kicks it 25 m [E], wha...

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Q: A tennis ball is thrown upward at an angle from point A. It follows a parabolic trajectory and hits ...

A: A tennis ball is thrown upwards from point A and lands at point D The other points marked on the tra...

Q: The diagram illustrates a chute in a factory used for sliding boxes to a lower floor. The boxes star...

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Q: There are three charges interacting to one another. Q2 which has a value of +3.52 nC is at the negat...

A: Given: Q1 = 6.01nC = 6.01*10-9 CQ2 = 3.52 nC = 3.52*10-9 CQ3 =-7.80 nC=-7.8*10-9 Cx=0.45 mz=0.8m

Q: In which one of the following situations does the car have a westward acceleration?   The car trave...

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Q: If gravity pulls you down toward the center of Earth with a force of 500 N, how much upward force do...

A: Given, Gravity pulls down toward the center of earth with a force of 500N.  

Q: 4) A newspaper delivery boy throws a newspaper onto a balcony 1.25 m above the height of his hand wh...

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Q: Question 5: * Starting from x = 0 with no initial velocity, a particle is given an acceleration a = ...

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Q: Suppose that A= 2i + j, B = i– 4j + k, and Ĉ =j+k. What is the magnitude of the vector 2Å –B + Č, A)...

A: Given  Vectors are given as, A →=2i^+j^ B→=i^-4j^+k^ C→=j^+k^ Required  We have to find magnitude of...

Q: A pendulum of length L with a bob of mass m swings back and forth. At the low point of its motion (p...

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Q: the measured length of a cylindrical laser beam is 12.1 meters, its measured diameter is 0.00121 met...

A: the measured length of a cylindrical laser beam is 12.1 meters, its measured diameter is 0.00121 met...

Q: Starting from rest, a particle moving in a straight line has an acceleration of a = (2t - 6) m/s, wh...

A: Acceleration of particle a =(2t - 6)m/s2 a =dvdt dv =a.dt integrate both side V = ∫04(2t -6) dt V = ...

Q: Q2. A box is projected up an inclined plane with velocity of 5 m/s as shown in Fig. (2). Determine: ...

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Q: City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37° north of...

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Q: A block is pulled along a rough level surface at constant speed by the force P. The figure shows the...

A: We have given  Force = P  FN = Normal force  f = Kinetic friction     

Q: If the coefficient of kinetic friction,Hk , between the block and the surface is 0.30 and the magnit...

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Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

A: Answer: B- it's velocity is zero and acceleration is down and non-zero constant.

Q: Determine whether the block shown is in equilibrium and nagnitude and direction of the friction forc...

A: We know that we have given a figure of an object is on the inclined plane and its places in the equi...

Q: Suppose that À = 2i + j, B = i– 4j +k, and Ĉ = j+k. What is À· (B x Ĉ), A) A. -2 В) в. -2 k (с) с. -...

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Q: The x and y components of a displacement vector are -3.00 m and +4.00 m, respectively. What angle do...

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Q: A speed boat pulls a water-skier (with a mass of 100 kg) at a steady speed by a rope at 15 degrees a...

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Q: Question 23 What is the resultant vector of the following vectors: C= 10m, 50 degrees E of S D= 20 m...

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Q: There are three charges interacting to one another. Q2 which has a value of +3.52 nC is at the negat...

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Q: Modified True/False Indicate whether the statement is true or false. If false, change the identified...

A: 9. True Reason : As mass increases the normal force increases so the frictional force also increases...

Q: 16) A car turns from a road into a parking lot. The car's initial velocity is 5.0m/s[45 degrees nort...

A: Given car's initial velocity is 5.0m/s The car makes a turn and has a velocity of 4.0m/s after turns...

Q: runaway dog walks 0.64 km due north. He then runs due west to a hot dog stand. If the magnitude of o...

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Q: A system of two cables supports a 150-N ball as shown. ... 30° 150 N What is the tension in the righ...

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Q: Heat is thermal energy in transit that "flows" from a region of high temperature to a region of low ...

A: The principle of calorimetry says heat lost by one body equals heat lost by other. Assuming no loss ...

Q: string 30 N m1 m2 In the figure above, two blocks are connected by a massless string and slide along...

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Q: Suppose that Ĉ = j+.k• Ã = 2i + j, B =i- 4j + k, and A? What is the direction of vector

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Q: What type of energy is stored up in a capacitor? in a storage cell? in an inductive circuit? Why are...

A: Energy stored in a capacitor is electrostatic potential energy, and it related the charge Q and volt...

Q: Vt = ??7 R = 4 Q %3D R1 = I = 05 A Vi= 6 V Il 3

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Q: A system of two cables supports a ball as shown. 30° 150 N What is the tension in the right-hand cab...

A: Given data:  Weight (W) = 150 N Angle (θ) = 30° Required: Tension in right-hand cable 

Q: O = 50 = 50° B If A = 5 unit and B =quniA Calcu late : (a) A.B and B.B. (6) AxB and Bx. (c) AxA

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Q: A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with a 7...

A: at 3.5 cm qenc=7.00 nC and the outer spherical shell makes no contribution to electric field.

Q: Caleulaste the Mary of clrives ouf-2 m/s and houw 30000 J of •a coo thost energy-.

A: Given data: velocity, v = 12 m/s Kinetic energy, KE = 30000 J   Solution: Write the equation to find...

Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

A: Answer: Given data, A ball is thrown straight up from point A, reaches a maximum height at point B, ...

Q: If the coefficient of kinetic friction, Uk, between the block and the surface is 0.30 and the magnit...

A: Weight = friction force / uk

Q: Which one of the following statements is true concerning scalar quantities? A) A) Scalar quantities ...

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Q: Ã = 2i + j, B = i- 4j + k, and = j+k. What is A· (B x Ĉ), A -10i -j B 10i + j -10 -11

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