Calculate the angular speed of minute hand of clock. If minute hand is 5 cm long, calculate linear velocity at this tin
Q: The peak value of an alternating 350 volts. Calculate its r.m.s. Voltage is Eo value. =
A: To find-RMS value of alternating voltage (Erms)=?Given-E0=350 V
Q: Find the potential difference across each capacitor of a 12 μF capacitor and a 30 μF capacitor that…
A: Given that-The capacitance across the first capacitor, C1=12μF=12×10-6 FThe capacitance across the…
Q: Newly formed neutron stars have extremely strong magnetic fields. (T/F)
A: Neutron stars are formed when massive stars collapse under their own gravity. The core of such…
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Q: Ex./67: An A.C. supply of 50 Hz is applied across a circuit containing a resistance of 10 and…
A: To find-Phase difference between current and applied emf (ϕ)=?Given-f=50 HzR=10 ohmC=50 μFC=50×10-6…
Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…
A: Given that-Mass, m=100 kgHeight, h=30 mWe know that-Acceleration due to gravity, g=9.8 m/s2
Q: Calculate the angular speed of minute hand of a clock.
A: To find-Angular speed of minute hand of a clock (ω)=?Given-Periodic time T=60 minT=60×60T=3600 sec
Q: Radiation of wavelength 5 x 10-7 m is incident on the cathode of a photocell. The current in the…
A: Given-λ=5×10-7 mVs=3 Ve=1.6×0-19Ch=6.63×10-34 Jsc=3×108 m/s
Q: block of mass m= 5 Kg is sent sliding up a large plane inclined at 0 = 37° while a horizontal force…
A: The block is set into motion along the inclined plane with an initial velocity of 4 m/s. When the…
Q: A typical helicopter with four blades rotates at 290 rpm and has a kinetic energy of 5.85 x 105 J.…
A: Solution: The angular velocity of the blade is given to be 290 rpm. Convert this velocity into the…
Q: Ex. 2: What is the angular displacement of the minute hand in 10 minutes ?
A: To find-Angular displacement (θ)=?Given-Time (t)=10 minPeriodic time (T)=60 min
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: 4. How do you measure the focal length? You measure from the top of the lens to the focal point You…
A: Solution:-Given that
Q: Ex. 53: A 25 W lamp conneted to A.C. potential of peak value 100 V. Calculate the r.m.s. value of…
A: To find-RMS value of current=?Given-P=25 We0=100 V
Q: Photoelectric work function of silver is 3.315 eV. Calculate the threshold frequency of silver.
A: To find-Threshold frequency (v0)=?Given-W0=3.315 eVW0=3.315×1.6×10-19h=6.63×10-34 Js
Q: A system of three identical distinguishable particles has energy 3. The single particle can take…
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Q: Problem 2.1. Let   be an observable operator with a complete set of eigenstates on) with…
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Q: A model airplane flies over an observer O with constant speed in a straight line as shown. Determine…
A: Model airplane flies with constant speed in straight line From A to B and C. 1. As we can see r will…
Q: The peak value of an alternating = 350 volts. Calculate its r.m.s. Voltage is Eo value.
A: To find-RMS value of alternating voltage (Erms)=?Given-E0=350 V
Q: A 55-kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals…
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Q: Determine the angular acceleration of a rotating body which slows down from 500 r.p.m. to rest in 10…
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Q: circuit A 50 cycle A.C. Supply is supplied to having an inductance of # fl akd. Calculate impedance…
A: To find-Impedance (Z)=?Given-f=50 c/sL=1πHR=2 k-ohm=2000 ohm
Q: 1. A 30 nC point charge located at (0,0) cm and 10 nC point charge located at (4,5) cm. Determine:…
A: The magnitude of charge-1 is given as, q1=30 nC=30×10-9 C, The magnitude of charge-2 is given as,…
Q: An electron of velocity 2.652 × 107 m/s enters a uniform magnetic field of inductance 0.5 Wb/m²…
A: To find-Radius of path of electron(r)Given-Velocity (v)=2.652×107 m/sMagnetic induction (B)=0.5…
Q: A Faraday's disk generator shown in Figure 3 lies in the x-y plane and fixed between two magnetic…
A: Given: The uniform magnetic field between the poles is B = 50 T The frequency of rotation of the…
Q: 2. Where will the focal point be for the convex lens? Above the lens Below the lens After the lens…
A: Concave and convex lens are the two types of lenses in optics. Focal point is basically the point on…
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: An audio amplifier, represented by the AC source and resistor in the figure below, delivers to the…
A: Given that-Amplitude of voltage= 16 VoltResistance, R=72 ΩResistance of speaker, r=10.4 ΩHere, both…
Q: All things, except light, are attracted by gravity. (T/F)
A: Gravity is one of the fundamental forces of nature. It is attractive in nature and is the weakest…
Q: Calculate the frequency of revolution of the electron in the first orbit of H-atom if the O radius…
A: To find-Frequency of revolution (f)=?given-λ=0.5 A0=0.5×10-10 mV=2.24×106 m/s
Q: (a) What kind of frictional force acts on the ring upon contact with the surface? (b) If the ring…
A: Given: The mass of the solid ring is M=10 kg. The radius is R=2 m. The initial angular speed is…
Q: Nuclear fusion in the core of a massive star cannot create ele- ments much heavier than iron. (T/F)
A: Stars are powered by a nuclear process called fusion. In fusion, lighter elements will combine to…
Q: A tungsten light bulb filament may operate at 2900 K. What is its Fahrenheit temperature? What is…
A:
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: MOTION LOAD AND THE ARCHER FISH. Archers are tropical fish that hunt by shooting drops of water from…
A: Given: The mass of the fish is 65 g. The mass of water ejected is 0.30 g.…
Q: The potential potential of a photoelectric diode is 8 volts. e/m = 1.8 x 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
Q: In a velocity selector, the intensity of electric field is 2 × 104 V/m and the strength of magnetic…
A: To find-Speed of charged particle (v)=?Given-Intensity of electric field (E)=2×104 V/mMagnetic field…
Q: A sample of hydrogen gas was placed in a discharge tube and its spectrum was measured using a high…
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Q: What is hydrostatic equilibrium in stars.
A: The interstellar medium is mostly made of hydrogen. When the mass of the interstellar medium becomes…
Q: Calculate the Coulomb force on q: as seen in the figure below. Choose forces to the right be…
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Q: A step-down transformer is used for recharging the batteries of portable electronic devices. The…
A: Given data : A step-down transformer N₂/N₁ = 1:14 Primary voltage, V1 = 120 volt Primary current,…
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: An object is moving counter-clockwise in uniform circular motion at a constant speed of 3 m/s in a…
A: The speed remains constant in Uniform circular motion. Hence there is no tangential acceleration.…
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 FA=Y×∆LL…
Q: Find the potential difference across each capacitor of a 12 µF capacitor and a 30 μF capacitor that…
A: The potential difference across each capacitor is to be evaluated, if two capacitors with different…
Q: A tungsten light bulb filament may operate at 2900 K. What is its Fahrenheit temperature? What is…
A:
Q: In a velocity selector, the intensity of electric field is 2 x 104 V/m and the strength of magnetic…
A:
Q: (1) A siphon having a diameter d of 100 mm is positioned as shown in the picture. The flow losses…
A: Flow of fluid are of many types. Flow may be laminar, turbulent, etc. Continuity means the fluid…
Q: What is the effect of the mass of a pendulum on its period? O The period is unaffected O The period…
A: Given that-Time period of a pendulum, T=2π×lg eqn 01In above formula, there is no mass(m) We…
Q: Calculate the energy associated with a O photon of wavelength 4500 A .
A: To find-Energy (E)=?Given-Wavelength of photon (λ)=4500 A0
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