An echo returned in 2s. What is the distance of the reflecting surface from the source, given that the speed of the sound is 342 ms
Q: 2. A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: Problem #2: 30 N FG Two forces are applied as shown to a hook support. Knowing that the magnitude of…
A: Simple problem from vector algebra. Please have a good look
Q: In a vacuum, what is true of the acceleration of a 7 kg bowling ball and a 0.007 kg feather while in…
A: Vacuum is a condition in which there are none to zero molecules of air or any other particles…
Q: The work function for potassium and caesium are 2.25 eV and 2.14 eV respectively, will the…
A: We have to find- Whether photoelectric emission occurs are not. Given- Work function for potassium…
Q: Where would charge a charge of +2.5Q be for the resultant *electrical* forces on q becomes O? Answer…
A: Given that, The three fixed charges are q1=qq2=Qq3=-2Q And the fourth charge is q4=2.5Q And the…
Q: A copper wire has a cross section of 20 mm². It carries a current" = 0.324. The density of charge…
A: The current flowing through a wire is given by: I=neAvd (1) where, I is the…
Q: Since the wavelengths of visible light range from 400nmto 700nm, what is the highest frequency of…
A: We know the relation between wavelength λ and frequency f and speed of the wave c, is the following…
Q: For an observer located at 25 degrees North latitude, what is the altitude of the Celestial Equator…
A: The altitude of the celestial equator is related to the latitude of the observer's location but it…
Q: A bus is traveling a constant 8.0 m/s. It passes a sports car at rest which immediately begins to…
A:
Q: Using spherical polar coordinates r, 8, 4 to find CM of a uniform solid hemisphere of radius R,…
A:
Q: Please solve asap and explain how you reached that solution properly. Thank you in advance!
A:
Q: An aircraft has a wing span of 30 m Find the emf induced belimeen the cuing tips when it flies at…
A: The speed of the aircraft is given as v =100*1000/3600 = 27.7 m/s
Q: A coffee cup immersion heater utilizes a heating coil with a resistance of 8.5 Q. Determine the…
A: Given that-Resistance, R= 8.5ΩVoltage, V= 110 VoltAccording to ohm's lawV=IR⇒I=VR Equation 01
Q: a) b) c) d) e) 10- A 1.5 kg mass attached to an ideal spring oscillates horizontally with an…
A: Given that-Mass, m= 1.5 kgAmplitude, A= 0.50 mSpring constant, k= 85 N/mFundamental frequency of the…
Q: A rectangular waveguide has a = 4 cm & b = 3 cm as its sectional dimensions. Find which modes among…
A:
Q: 3. Consider a pendulum of mass m suspended by a massless spring with unextended length b and spring…
A:
Q: Consider a 20μC spherical positive charge distribution of radius 10 cm (0.1 m). Using Microsoft…
A: Hint : use the equation of electric field and potential and treat spherical charge as point charge…
Q: An ocean liner leaves New York City and travels 22.4° north of east for 239 km. How far east and how…
A: All physical quantities in this world is classified as either vectors or scalars. Any vector can be…
Q: #4
A: Given that-Potential difference, V= 12 VoltInitial Charge= 120AhPower, P= 100 Watt't' is the time.We…
Q: Q6A: A person with 99 kg stands on a bathroom spring scale while riding in an elevator. What is the…
A: When lift moves with constant velocity, we are in inertial frame of reference. The weight measured…
Q: Q3. * Calculate the junction capacitance of a silicon pn junction at T = 300 K with doping…
A: Hint : use reverse biased capacitance formula Cj = εsiWdepletion of PN diode put those given values…
Q: Ex. 2. A long solenoid of diametr 0.1 m has 2x 104 turns per metre. At the centre of the solenoid a…
A:
Q: Q A metal sphere of radius R carries a total charge Q. What is the force of repulsion between the…
A:
Q: we have vectors v and w, then if || v || = 4 and v.w = -5, what is the minimum value of || w || ?
A: Given data, v=4v.w=-5
Q: 40.0055-kg shuttlecock moving to the left with a speed of 40.0 m/s is struck by a badminton racket…
A: Solution: Use the impulse-momentum theorem to find the required time. According to the…
Q: (c) Derive relations containing the tension T for both masses and find a2 in terms of m₁ and m2. (d)…
A:
Q: A spring is pulled to 12 cm and held in place with a force of 450 N. what is the spring constant of…
A:
Q: A force acts on a 2 kg object so that its position is given as a function of time as x = 3t² + 5.…
A: Given, Mass, m=2kg Position, x=3t2+5 Initial velocity, u=0 The velocity at 5s,…
Q: 3.25 - Projectile Motion Part A A projectile is launched at ground level with an initial speed of…
A:
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: Energy is stored when current passed on application of voltage. The electric power is given by P=VI…
Q: A washing machine requires a steady current of 10.0 A. If it is connected on a 220-V line, (a) how…
A: We know that:Energy= Power × Time Eqn 1we can write, 1 KWh=…
Q: A cube of marble having each side of length 5'm is kept in an electrostatic. field of intensity…
A: We need to compute the energy contained in the cube (U)=?Given that-Cube of marble each side of…
Q: Woukdone in blocuing a soap bubble of diamelere 2 cm is (S.T. = = 3 × 10 ² N/mm). (a) 7-54 x 10-5 J…
A: We have to compute-Work done in blowing a soap bubble (W)=?Given that-Surface tension (T)=3×10-2…
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We know that:Power= Voltage x Current Eqn 1Where, Voltage : V= 115 MV…
Q: A double-slit experiment has slit spacing 0.12 mm. What should be the slit-to-screen distance L if…
A: In a double-slit experiment, light waves are passed through two closely placed slits. This causes…
Q: In a certain region, J = (2yax + xzay + z3az ) sin 104t A/mfind ρv if…
A: The expression for the current density is, J→=2yx^+xzy^+z2z^·sin104tA/m
Q: Do the correct solution
A: From question :Current, i= 3 ampereVoltage, V= 5 voltWe know that,Power, P= V×i…
Q: Each propeller of the twin-screw ship develops a full-speed thrust of F = 375 kN. In maneuvering the…
A:
Q: 5. A cyclist rides 8.0 km east for 20 minutes, then he turns. and heads west for 8 minutes and 3.2…
A: Given, A cyclist rides 8.0 km east for 20 minutes and turns west for 8 minutes and covered 3.2 km.…
Q: 3. An infinitely long uniform line charge is located at y=3, z= 3. If p₁ = 35 nC/m, Find E at point…
A:
Q: In a sunnier location than Eugene, the sun shines for an average of 2000 hours per year. A home…
A:
Q: 10) Calculate the distance between the screen and slit for a double slit experiment with source…
A:
Q: Thanks to experimental observations, Faraday concluded that an electric current can be generated by…
A: According to Faraday's law, the induced emf(ε) in a circuit is the rate of change of the magnetic…
Q: Faraday's law states that:
A: Faradey's second law states 'The induce electromagnetic force in an electric circuit is equal to…
Q: Determine the weight in newtons of a car which has a mass of 1368 kg. Convert the given mass of the…
A:
Q: A 1.5-V emf source has an internal resistance of 0.50 2. After it has been connected to a load with…
A: Given that :Emf of source, ε=1.5 VoltTerminal Voltage, V=1.45 VoltInternal resistance, r= 0.5ΩWe…
Q: A circuit conducting loop lies in the xy-plane as shown. The loop has a radius of 0.2 m and…
A: When number of field lines linked with any closed loop changes, an emf is induced in the loop. Or…
Q: Determine the absolute weight and the weight relative to the rotating earth of a 104-kg man if he is…
A: Given:Mass of man=104 kg Latitude angle=32∘ radius of earth = 6371 km =6371×103m Gravitational…
Q: Each propeller of the twin-screw ship develops a full-speed thrust of F = 280 kN. In maneuvering the…
A:
Q: The 14.6-in. spring is compressed to a 7.4-in. length, where it is released from rest and…
A: This is the case of simple harmonic motion. We first find the angular frequency as the acceleration…
Step by step
Solved in 2 steps
