When a neutron with an energy of 1 MeV caused elastic scattering with a 'H nucleus, the H nucleus recoiled in the direction of 30 degrees. What is the energy of scattered neutrons? The masses of neutrons and atomic nuclei can be substituted by mass numbers.

Q: current is increased to 3.0 A? 2. A device is connected to a 210 V source. How much current is…

A: Q2. Given that  Potential difference across the device V = 210 Volt Let the current through the…

Q: 12. Calculate the center of mass of a 4 m long aluminum bar with cross-sectional area of 4 cm x 4 cm…

A: Given Data:  It is given that the length of the uniform bar is, L=4 m.  Axis of rotation is located…

Q: Q9: The Andam auditorium in Dungu Campus of UDS measures 40.0 m × 20.0 m × 12.0m. The density of air…

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: If a 0.7 Tesla magnet moves into a 140 turn coil with an cross sectional area of 0.08 in 1.4…

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Q: Two objects having different masses are subjected to Identical forces act for the same length of…

A: It is given that two objects having same masses are subjected to identical forces for same length of…

Q: A long straight wire carrying a current of 0.450 A has a loop with a radius of 5 cm. The current is…

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Q: 16. How many electrons will flow through an appliance for each second if the current through the…

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Q: A drum rotates around its central axis at an angular velocity of 11.3 rad/s. If the drum then slows…

A: The equations that relate the components of angular motion are ωf = ωi+αt ωf2-ωi2 = 2αθ, where ωf…

Q: 3) A proton enters a magnetic field of 10T and an electric field of 2000 N/C in such a way that it…

A: Moving particle is proton  Charge on proton (e) = 1.6×10-19 C  Magnetic field (B)= 10 Tesla…

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

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Q: Moving charge generates a magnetic field. If the moving charge is in an already existing field, the…

A: we know that,            When a charged particle moves relative to a magnetic field, it will…

Q: Find the number of turns a solenoid coil with length of 0.06 m should have in order to produce a…

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Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: If a candle is 3 meters from a thin lens with a focal length of 2 m, find the image distance A) 2 m…

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Q: An infinitely long wire is uniformly charged. The voltage difference from r 2 m and r= 4 m is 30…

A: Given:    An infinitely long wire --- uniformly charged.    Voltage difference (ΔV) (between r1 = 4m…

Q: A * 0 20% O 10:24 PM 22. A very thick wire with radius 5.0 cm has uniform current of 20 A flowing…

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Q: The total time a projectile spends in the air along its trajectory A. air resistance В. trajectory…

A: Answer is D

Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…

A: calculate the net magnetic field at point and find direction as per shown.

Q: 3. a quantity that describes the rate of motion in the y direction A. horizontal component of…

A: As we know that rate of motion is speed . But according to the question,  we have asked the rate of…

Q: 2. Three point charges q; = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initialy are infinitely far apart.…

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Q: In Oersted's experiment, suppose that the compass was 0.24m from the current-carrying wire. If a…

A: Given: in this question, the given details are, In the Oersted's experiment, the compass was 0.24 m…

Q: A rope that weighs 0.5 lb/ft is attached to a bucket filled with cement plaster that weighs 22 lbs.…

A: weight per unit length, w=0.5 lb/ft Bucket with plaster, W=22 lb This bucket is pulled by the rope…

Q: A force of attraction between objects that is due to their masses; the force that brings all objects…

A: Option - C is correct answer

Q: 2) Swimmers at a water park have a choice of two frictionless water slides as shown in the figure.…

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Q: A 3,2 km B 120 m #

A: The distance between the man and the drone in the image is 3.2 kilometers. Text label "A" in the…

Q: 5. An object moving in the x-y plane has a position vector given by: 7 = (2t³ - 5t)i + (6 - t¹)ĵ (in…

A: Given  r→=(2t3-5t)i^+(6-t4)j^Required average velocity

Q: 17. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10…

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Q: The block in the drawing has dimensions LO×2L0×3L0.where Lo =0.3 m. The block has a thermal…

A: Give Thermal conductivity = 100j/s-mC  Delta T = 21- 12 ° C = 9 ° c

Q: A horse pulls a cart with a force of 15 lb at an angle of 34° above the horizontal and moves along…

A: applied force (F) = 15 lb Angle (θ) = 34o above the horizontal Constant speed (v) = 6.7 mihr

Q: Match the following: measured in meters Time for one cycle measured in Hertz (or cycles per second)…

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Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

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Q: With what velocity vo should a projectile be started at the center of the Earth to reach the surface…

A: As per the guidelines we can solve only 1 question. Solution of 1st question is given Law of…

Q: = 201². The fan blade in a jet engine rotates from rest with the angular acceleration a = 1 9. find…

A: GIVEN         Angular acceleration = α = 20t2

Q: 4. When is the magnetic flux maximum? zero? 5. A loop of wire in the form of a square 1.50 m on each…

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Q: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: 6&7 please

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Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: 3. We will repeat the previous problem using energy arguments. Comment: Mechanical energy is…

A: The given yo-yo is made up of two solid disks, each of mass M, so the total mass of the yo-yo is 2M.…

Q: The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the…

A: a) Draw the free-body diagram of the person.

Q: 7. "The wider the road, the more cars can pass through". Which of the following factors affecting…

A: We need to tell which factor affecting the resistance fits the given analogy.

Q: 7. Solve for unknown parameters 30

A: solution is given as