A racing car completes 5 rounds of a circular track in 2 minutes. Find the radius of the track if the car has uniform centripetal acceleration of ² m/s²
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 of gravity, g=9.8m/s2
Q: P6
A: Given that-Capacitance, C=1.05μF=1.05×10-6 FV=41.0 VoltInductance, L=9.0mHCharge stored in the…
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A: To find-Lowest frequency (i.e. threshold frequency) v0=?Given-Photoelectric work function (W0)=2…
Q: The Sun will get brighter as it begins to run out of fuel in its core. (T/F)
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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: 4. 1.50kg particle moves in the -heitg of v= 3²-4j muß. Determine the angulor momentum of the…
A: The mass of the particle is given as, m=50 kg, The velocity of the particle is given as, v=3i^-4j^…
Q: A circular wire coil has 20 turns. The coil is shown in the figure. An electric current of I = 17.3…
A: Given: The number of turns of circular coil is 20. The value of current is 17.3 A. To…
Q: What is the momentum of a 589-nm yellow photon?
A: Given that,Wavelength of photon is 589 nmMomenteum of photon, p=hλhere, h is the planck…
Q: A racing car completes four rounds of a circular racing track in one minute. Find the radius of the…
A: To find-radius (r)=?Given-n=460rev/s=115 Hza=π2 m/s2
Q: Determine the angular acceleration of a rotating body which slows down from 500 r.p.m. to rest in 10…
A: To find-Angular acceleration (α)=?Given-n1=500 rpm=8.333 rpsn2=0 rpm=0 rps
Q: Ex. 17: To stimulate the acceleration of large rockets, astronauts are spun at the end of a long.…
A: To find-Angular speed (ω)=?Given-r=10 mCentripetal acceleration =8g=8×9.8
Q: What is angular speed of a second hand of a clock. If the second hand is 10 cm long, find the linear…
A: To find-(a) Angular speed of second of a clock (ω)=?(b) Linear speed at its tip (V)=?Given-Length of…
Q: A force of 250 N is applied to a hydraulic jack piston that is 0.01 m in diameter. If the piston…
A: Concept: Pascal's principle states that an increase in pressure on one piston in a hydraulic system…
Q: L21: An electron enters in a magnetic held of induction 2 mT with velocity of 1.8 × 107 m/s. The…
A: To find-Radius (r)=?Given-Magnetic field (B)=2 mT=2×10-3TVelocity (v)=1.8×107 m/s
Q: A truck of mass 1.5 t is running at a speed of 54 km.p.h. Find its kinetic energy. If the resistance…
A: In the given problem, a truck of mass 1.5 ton is moving at a speed of 54 kmph Let m=1.5 t=1500…
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: Find In, 12 and 13 1.30=36C 1₁)-15 (1₂)-12 (13) 2.-25=-15CIA) +75 (£27-40C 130 3.50=-12CIA) - 40…
A: Electric current.
Q: Ex. 59: Find the capacitive reactance of 10 µF capacitor when it is a part of a circuit whose…
A: To find-Capacitance reactance (XC)=?Given-C=10 μF=10×10-6Ff=50 Hz
Q: Q32: U-shaped film of a liquid is formed between a wire frame and movable wire 5 cm long. Then the…
A: Given-l=5 cmT=0.024 N/mFinding-Force (F)=?
Q: What are a couple of scientific speculations that describe the future of our universe?
A: Edwin Hubble provided us with the observation and hence it was proved that our universe is…
Q: The graph provided shows the force applied to a toy car (m= 5 kg) over some distance traveled. Force…
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: What is angular speed of a second hand of a clock. If the second hand is 10 cm long, find the linear…
A: To find-(a) Angular speed of second of a clock (ω)=?(b) Linear speed at its tip (V)=?Given-Length of…
Q: The stopping potential of a photoelectric diode is 8 volts. e/m = 1.8 × 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
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: An aluminium (p = 2.7g/cm³) wire is suspended from the ceiling and hangs vertically. How long must…
A: Given that :Density of aluminium wire, ρ=2.7g/cm3Stress at upper end, σt= 8×107 N/m2Here we need to…
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: Write equations for the alpha and gamma decay of the following isotopes: 235U; 251Cf. 98
A: Given : U92235 & C98251f We have to write the alpha and gamma decay equations for the given…
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: b) Two cells, Alpha and Beta, are located side-by-side as shown in Figure 1. Two distinguishable…
A:
Q: The radius of the first Bohr orbit of the hydrogen atoms is 0.53 A. Calculate the radius of the 10th…
A: To find-Radius of 10th Bohr orbit=?Given-r1=0.53 A0radius of 10th orbit=r10
Q: Determine the angular acceleration of a rotating body which slows down from 500 r.n.m. to rest in 10…
A: To find-Angular acceleration (α)=?Given-n1=500 rpm=8.333 rpsn2=0 rpm=0 rps
Q: What is the rate of the energy dissipated in the ac part segment from the circuit?
A:
Q: In the figure, a 3.3kg block is accelerated from rest by a compressed spring of spring constant 640…
A: Given: The mass of the block is m = 3.3 kg The spring constant of the spring is k = 640 N/m The…
Q: Q01
A: We have-Temperature, T= 200°C=473 KWe know that-Internal Energy, Einternal=∑iKi¯+Ui¯where, Ki¯ is…
Q: alculate the frequency of revolution of the electron in the first orbit of H-atom if the radius of…
A: To find-Frequency of revolution (f)=?given-λ=0.5 A0=0.5×10-10 mV=2.24×106 m/s
Q: PROBLEM Calculate the flow rate in correspondence of the exit of the system shown in the Figure,…
A:
Q: If a soap bubble is 120 nm thick, what wavelength is most strongly reflected at the center of the…
A: A soap bubble is formed by a thin film of soap filled with air. When light passes through this film…
Q: We wish to send a satellite from earth, which is 1.50x10 m from the center of the sun, to the…
A: (a) The length of semi major axis of an ellipse The distance between earth and center of sun is…
Q: A negatively charged particle of mass 8.0 x 10-13 kg is traveling rightward between two plates…
A: The two plates are separated by a distance of 50 cm. First plate is at a potential of +1 V while the…
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: Two men are carrying a ladder of length 1 by supporting it at its ends. At what distance x from one…
A: Given information: Length of the ladder l. Let m be the mass of the ladder. Therefore, the mass of…
Q: What is the velocity and direction of the collision if a railway train with a mass of 6,000 kg is…
A: Concept: Here, In this Question, we will use the concept of the Law of Conservation of Momentum. The…
Q: Ex. 51: Calculate the energy of a photon in O light of wavelength 5000 A.
A: To find-Energy of photon (E)=?Given-λ=5000 A0=5×10-7 mc=3×108 m/sh=6.63×10-34 Js
Q: A step-down transformer is used for recharging the batteries of portable electronic devices. The…
A: We know that-In no power loss conditionPout= Pinhere, Pout is output powerPin is input powerwhere,…
Q: There is a 1-in-417 probability that an electron with energy 3.00 eV will tunnel through a barrier…
A: Given,Probablity =1/417E=3 eVU0=5 eV
Q: What is the de Brogue wavelength of an electron travelling at a speed of 5.0 x 106 m/s?
A: Given that,Speed, ν=5×106 m/sMass of electron, me= 9.11×10-31 kgDe-broglie wavelength, λ⇒λ=hp=hmv
Q: A set of tuning forks is arranged in ascending order of frequency. Each tuning forb given 5 beats…
A: To find-Total no. of tunning forks=?Given-Tunning forks are arranged in order of increasing…
Q: If a cycle wheel of radius 0.4 m completes one revolution in 2 seconds, then acceleration of the…
A: To find-Acceleration (a)=?Given-Radius of wheel (r)=0.4 mPeriodic time (T)=2 sec
Q: Ex/15: Calculate the angular speed of minute hand of clock. If minute hand is 5 cm long, calculate…
A: To find-(1) Linear velocity of tip of minute hand (V)=?(2) Angular speed (ω)=?Given-r=5 cmAngular…
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