What is the angle between vectors A - 2i + 3j + k and B- 3i • 2j + K? O 21.79 O 42.88° 85.90° O 62.34

Q: Consider the ion He,2* (charge on each nucleus A or B is Z=2). e2 r12 TA2 r81 T82 TAL R A

A: Charge on nucleus A or B is z=2

Q: not incomplete, all the info is right there. Use the question to solve for (a) then (b) then (c)…

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Q: Two marbles of the same masses and speed are moving at opposite direction. What will happen to the…

A: Required :  What will happen to the marbles.

Q: Wavelength of light 650 nm is incident on a metallic surface. If the stopping potential for the…

A: Given : Wavelength of light = 650 nm = 650 *10-9 m Stopping Potential = 0.45 V Known : Speed of…

Q: A proton moving horizontally at 5.0 x 10^4 m/s enters a uniform magnetic field of 0.075 T directed…

A: Given : v = 5 × 104 m/s B = 0.075 T θ = 30°

Q: 7. Velocity 8. Acceleration 9. Density

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Q: Calculate for the % difference between the initial and final kinetic energies of the total/whole…

A: This question is based on Work Energy and Power chapter. Percentage change in Kinetic Energy…

Q: Draw the circuit diagram of the following problems

A: To draw circuit diagram for the given problems.

Q: Draw an FBD for each of the following objects. (a) a saucepan hanging from a hook (b) a person…

A: Free body diagram for the different cases represents the net forces acting on the system.

Q: Complete the table below by supplying the missing information

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Q: Arrange the letters of the circles in terms of decreasing magnitude of the magnetic field in their…

A: to find highest magnetic field first we see in diagram, which point have passing highest magnetic…

Q: which of the following gives good evidence for the particle nature of EM radiation a) interference…

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Q: Löčaté the centroid (x, y, z) of the wire which is bent in the shape shown.

A: Given that:

Q: A block of wood has a mass of 3.49 kg and a density of 571 kg/m3. It is to be loaded with lead (1.13…

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Q: A grab driver is traveling at 15 m/s when the traffic light 787 ft ahead suddenly turns red. The…

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Q: The population P of a bacterial colony increases at a rate proportional to P. If at time t = 0, P =…

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Q: Find the tension ineach cord (TT2, Ts ond T4 as shown in figure below. e=32 B-45 Cord 1 Cerd w. Wa…

A: Given that:- W1=389N, W2=525N

Q: A water pipe having a 2.84 cm inside diameter carries water into the basement of a house at a speed…

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Q: Exercise 13) Determine the magnitude and direction of the force between two parallel wires 25 m long…

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Q: What would have been our acceleration if we had applied a force of 5 kN kilo Newtons forward on the…

A: Given data as per question F  =  5kn m=1250kg

Q: If the angle of inclination from where we release the glider increases from 0=3° to 0=40°, which of…

A: Angle of inclination of glider is increased from 3° to 40° .

Q: Rank the waves in the figure below based on the following. Use numbers 1-5 where 5 is the most /…

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Q: c, = 10µF C, = 22µF C2 = 10µF

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Q: Asap need, Thank you 213124qwsdawdw

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Q: o of radius 12 cm at its centre is 0.5x 104T. Find netic field due to this loop at a point on the…

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Q: If the current in the Helmholtz coils were 1.6 A, rather than 1 A, and the accelerating voltage were…

A: Given, Current=1.6A Acceleating voltage=100V

Q: A concave mirror produces a virtual image that is 4 times as tall as the object. If the object is 44…

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Q: underwater scuba diver sees the Sun at an apparent angle of 46.0° above the horizontal. What is the…

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Q: Given a spacecraft velocity of of 4.36 km/s, what is the delta v in km/s for a change in inclination…

A: Given, Velocity=4.36km/s Angle=13.6 degree

Q: If E is the solid described below with density function p(x, y, 2) - x + y, find the following…

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Q: 04/ 2. Suppose that motion studies of a runner show that the maximum speed he can maintain for a…

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Q: 8) FIGURE 6 shows a 3.0 kg box sliding down with constant speed u = 1.2 ms" along a rough plank…

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Q: R1 = 15 N, R2 = 10 N %3D Data Experimental Data Computed % Difference Vr, Voltage Across Battery, V…

A: When n resistors are connected in series then total or equivalent resistance is given by…

Q: 6.20 • A 4.80 kg watermelon is dropped from rest from the roof of an 18.0 m-tall building and feels…

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Q: In the circuit shown in figure, find 10 V 4 V 3 2 (a) the power supplied by 10 V battery (b) the…

A: The circuit is shown below.

Q: In an experiment on standing waves, a string 72 cm long is attached to the prong of an electrically…

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Q: Find out the energy Eigenvalue and Eigen function of a particle in a onedimensional box havingthe…

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Q: An iron casting containing a number of cavities weighs 5.20E+3 N in air and 4.10E+3 N in water. What…

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Q: A circular plate rotate about an axis through its centre perpendicular to its plane with angular…

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Q: Magnetic Field of a Current Loop: A current-carrying loop of wire lies flat on a horizontal…

A: Here we can use right hand rule for finding the direction of field

Q: A woman stands on a weighing scale in a non - moving elevator. When the elevator started to move,…

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Q: In the circuit shown in figure, find 10 V 4 V

A: GivenV1=10 VV2=4 VR=3 Ω

Q: A 2500 kg Toyota car traveled 20 meters and then stopped to fill up the car with gasoline. Initial…

A: Given : m = 2500 kg s = 20 m vo = 10 m/s v = 0 (because finally the car stops)

Q: An object moves in a direction parallel to its length with a velocity that approaches the velocity…

A: Only in the direction of motion does length change occur. Because width is perpendicular to the…

Q: A cylindrical metal tank measures 1.0 meter in diameter and 1.5 meters in height. It can hold how…

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Q: Find the resultant vector using the analytical method. Vector A= 20 km, 30° N of E Vector B= 15 km,…

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Q: Review | Co Part D A microwave oven of mass 10.0 kg is pushed a distance 8.45 m up the sloping…

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Q: Which of the following formulae is used to determine the of the horizontal plane? O 2ug sin a O (2u…

A: GivenFor projectile motion the point of projection and point of landing is on the same level of the…

Q: A piece of metal has a specific gravity of 2.80. When placed in a graduated cylinder, it displaced…

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Q: A spring is hung from the ceiling. A 0.300-kg block is then attached to the free end of the spring.…

A: Given: mass of the block (m) = 0.300 Kg            expansion in the spring (x) = 0.180 m  To Find:…