Can I please ask your opinion on what you think of the idea of the Big Bang? How do you interpret it for yourself or if you were going to explain it to someone else?
Q: An electron performs uniform circular motion in a region of magnetic field of induction 2 x 10-3…
A: To find-Linear momentum of electron (P)=/Given-Magnetic induction (B)=2×10-3 wb/m2Radius (r)=1…
Q: When a voltage of 200 volt is applied across an inductance coil a current of 20 mA passes through…
A: To find-(XL)=?Given-Erms=200 VIrms=20 mA=20×10-3 A
Q: Find the equivalent resistance of the combination of resistors R₁ = 42.0 2, R₂ = 75.0 2, R₁ = 33.0…
A: Concept: Given the Circuit diagram with the Resistance, R1=42.0Ω, R2=75.0Ω, R3=33.0Ω, R4=61.0Ω,…
Q: Calculate the velocity of the electron in the first orbit in a hydrogen atom.
A: To find-Velocity of electron in 1st orbit (V1)=?Given-n=1∈0=8.85×10-12 C2/Nm2h=6.63×10-34…
Q: LO3 What is the favored explanation for the rapid spin rates of millisecond pulsars?
A: A pulsar is defined as a highly magnetized rotating neutron star that is capable of emitting…
Q: The fact that gamma-ray bursts are so distant means that they must be very energetic events. (T/F)
A: Gamma rays are the photons with the highest energy ever detected. Gamma-ray bursts or GRBS are…
Q: Tangent galvanometer shows a deflection of 45° for some current. When the 1 current is reduced to…
A: To find-New deflection (θ2)=?Given-Initial deflection (θ1)=450Initial current=I1New current=I2=13I1
Q: 6. Radioactive changes are controlled by temperature, pressure or chemical combination.
A:
Q: A 557-N force is applied to stretch a cable, 66-m long and has a cross-sectional area of 2.8 mm^2.…
A: Given that-Force, F=557 NLength, L=66marea, A=2.8 mm2Y=1×1011 N/m2We know that,Hook's law :…
Q: If a plan is parallel to one of crystallographic axes, then the plan that intersect that axis at…
A:
Q: An electron enters in a magnetic held of induction 2 mT with velocity of 1.8 x 107 m/s. The radius…
A: To find-Radius (r)=?Given-Magnetic field (B)=2 mT=2×10-3TVelocity (v)=1.8×107 m/s
Q: A block of mass M-6.10 kg, at rest on a horizontal frictionless table, is attached to a rigid…
A:
Q: A coin kept on a horizontal rotating disc has its centre at a distance of 0.25 m from the axis of…
A: To find-Angular velocity of a disc (ω)=?Given-Distance of centre of coin from the axis of rotation…
Q: A box slides on a frictionless surface with a total energy of 50 J. It hits a spring and compresses…
A: Given that-The total energy with which box slides on a frictionless surface, ET= 50JThe compression…
Q: What is the effect of detector material and mAs on Image Noise and Contrast of the acquired CT…
A: ANSWER: A computerized tomography (CT) scans images are taken from a series of x-rays penetrating…
Q: nder and a mass of M4 = 4 kg hangs f with uniform density has a moment c s always, show your work…
A: Given, Icm=12MR2 Now, I1=M1 R122 & I2=M2 R222 Re-arrange as, Itotal=12M1R12 +M2R22…
Q: What is the angular diameter of Saturn's A ring, as seen from Earth at closest approach? Express…
A:
Q: A straight conductor moves with uniform velocity of 10 m/s at right angles to the magnetic field of…
A: To find-Length of conductor (l)=?Given-V=10 m/sB=0.6×10-4 Wb/m2e=3×10-4 V
Q: A tungsten light bulb filament may operate at 2900 K. What is its Fahrenheit temperature? What is…
A: We know that- Temperature in Kelvin, K= 2900KTo convert kelvin to…
Q: 3. A metal block of volume 55 cm³ weighs 4.3 N when submerged in water. What is the density of the…
A: The given metal block has a volume of 55 cm3. When submerged in water, the block weighs 4.3 N. In…
Q: Angular speed of a minute hand of a wrist watch in rad/s is
A: To find-Angular speed of minuute hand (ω)=?Given-Minute hand has periodic time (T)=60…
Q: if you measured the depth from the water surface down to the air-water interface inside the tube…
A: The value of pressure is not constant in the cylinder. It depends on various factors. Pressure…
Q: A circular coil of 100 turns and diameter 24 cm is rotated continuously in a uniform magnetic field…
A: Given-n=100d=24 cm=24×10-2 mr=12×10-2 mB=3.6×10-4Tω=5π rad/sωt=θ =900-300=600To find-e0=?e=?
Q: The below figure shows a beam of unpolarized light incident at the interface separating air and a…
A: angle of incidence, θi=60° refractive index of 1st medium, n1=1 refractive index of the 2nd medium,…
Q: Calculate the energy released in H-alpha emission of hydrogen.
A: When an electron gets excited it will absorb energy in form of photons. This will take the electron…
Q: A particle moves in a horizontal circle of radius 36 cm with a speed of 5 m/s. If it is decelerated…
A: To find-Magnitude of angular acceleration (α)=?Given-r=36 cm=0.36 mv=5 m/sαt=-0.14 m/s2…
Q: Calculate the velocity of the electron in the first orbit in a hydrogen atom.
A: Since, the velocity is asked for the electron in the first orbit of Hydrogen atom so, n=1
Q: A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20…
A: Given that,Speed in first Journey : s1=50 km/hrTime in first Journey : t1=8 minutes = 860 hoursSpeed…
Q: A 40.0 kg box initially at rest is pushed 4.70 m along a rough, horizontal floor with a constant…
A:
Q: Weather radar systems emit radio waves in pulses. For a typical system the frequency used is 3.00…
A:
Q: on 3 A roller coaster car travels along the track as shown in the image. Which statement about the…
A: Given :- A roller coaster car travels along the track as shown in the image.
Q: Describe some of the characteristics of the universe that are explained by the standard Big Bang…
A: Given, Big Bang theory of universe
Q: The fraction of oxygen molecules of mass 32.0u with velocities between 400 m/s and 401 m/s at room…
A: Given, Initial velocity, V1=400m/s Final velocity, V2=401m/s Molar mass, M=32×10-3kg/mol…
Q: Ex 40: Calculate the longest wavelength of incident radiation, which will eject electrons from a…
A: To find-Longest wavelength λ0=?Given-Photoelectric work functionW0 =6 eVW0=6×1.6×10-19J
Q: Current Attempt in Progress In the figure a 15 V battery is connected across capacitors of…
A:
Q: The capacitor of 50 µF is connected across 100 V, 50 Hz supply. Calculate 541 (1) reactance, (2)…
A: To find-(1) Reactance (2) Current Given-Capacity os capacitor (C)=50 μFVoltage applied (E)=100…
Q: Ex. 9 The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely under…
A:
Q: Question 1 The two graphs show the changes in energy and position as a box moves down a ramp.…
A:
Q: During a 3.50-min ride, a carousel goes around at a rate of 4.85 rpm. Answer the following questions…
A: part(a) What is the angular speed in rad/s. Part(b) Through what angular displacement will the…
Q: Problem 2.1. Let   be an observable operator with a complete set of eigenstates on) with…
A:
Q: Calculate the wavelength of light emitted in the 2P1/2 → 151/2 transition of the real hydrogen atom…
A: The quantum numbers denotes the energy and position of electron in an atom. Here, the spectroscopic…
Q: Ex./90 A car moving at 40 km/hr passes a factory as a siren of frequency 500 Hz is sounded. What…
A: Given-n=500 Hzv0=40 km/hv0=40×518=11.11 m/sv=340 m/s vs=0 (stationary source)
Q: 1. Derive the relationship between half value layer (HVL) and linear attenuation coefficient (μ).…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Problem 1 Two wires are separated by a distance d = 10.0 cm, with each carrying a current of I= 5.00…
A: The magnetic field produced at a distance r from a current carrying wire is given as B=μoI2πr The…
Q: 3. a. The equation of motion of a particle moving from rest, towards a center of attraction point,…
A:
Q: (b) An electron and an alpha particle both move in a circular path in a magnetic field with the same…
A: Given: The mass of the electron is me=9.11×10-31 kg. The mass of the alpha particle is…
Q: The most rapidly "blinking" pulsars are those that (a) spin fastest; (b) are oldest; (c) are most…
A: Pulsars are a type of neutron star that rotates very fast. The period of a pulsar range from…
Q: The longest wavelength of incident light that can eject photo-electrons from platinum is 1980 A.…
A: To find-Work function in eV (W)=?Given-λ0=1980 A0h=6.6×10-34 Js
Q: What is the surface gravity on the moon. It has a mass of 7.35 x 1022 kg and a radius of 1.731 x 106…
A: Determine, Surface gravity on the moon. Given, Mass M=7.35×1022kgRadius R=1.731×106m
Q: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Can I please ask your opinion on what you think of the idea of the Big Bang? How do you interpret it for yourself or if you were going to explain it to someone else?
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