Q: Find the value of distance covered by car in 5 s if speed of car is 20 m/s
A: Given data : Speed of car=S Time=t Required : Distance
Q: Calculate the value of work done Force applied on crate3D20 N Distance moved by crate=2.02 m
A: Given data : Force applied on crate=F Distance moved by crate=d Required : Work done
Q: An object 8.5 cm tall is placed 28 cm from a convex lens that has a focal length of 12 cm. Determine…
A:
Q: The thermodynamic process represented by the diagram is * Pressure Q = AU + W Heat Q Δυ Temperature…
A: In this process work done is zero or volume of gas remains unchanged (we can also see from graph…
Q: Find the value of final speed of car Initial velocity=2.05 m/s
A: Given data : Initial velocity=U Acceleration=a Time=t Required : Final velocity
Q: A cylinder measuring 9.4 cm wide and 11. cm high is fill with gas in the piston push down with the…
A:
Q: A flat sheet is in the shape of a rectangle with sides of lengths 0.450 m and 0.675 m. The sheet is…
A:
Q: Please don't write on a paper. i can't understand handwritten. Find the image distance for an object…
A: Lens formula is given as: 1f=1v-1u 1v=1f+1u
Q: A container holds 4.0 x 1022 molecules of an ideal gas at 0 °C. A piston compresses the gas, doing…
A:
Q: A particle with a charge -1.24X10^-8 C is moving with instantaneous velocity v=(4.19x10^4 m/s)i +…
A:
Q: Part A Green light (A = 508 nm) strikes a single slit at normal incidence. What width slit will…
A: Given, Wavelength of the green light, λ = 508 nm width of central maxima, d = 3.00 cm distance of…
Q: What is the radius of the 5th orbital in hydrogen? [? ] [? ]x 10 m Coefficient (green) Exponent…
A: we have for the radius of n-th orbital rn=n2Z×0.528 Angstorms
Q: Slides and Sticks! m = 0.250 kg M = 0.500 kg A small block with mass m = 0.250 [kg] slides down a…
A:
Q: (13) Please don't write on a paper. I can't understand handwritten. You hold a silver basin 92.5 cm…
A:
Q: Three identical resistors are connected in series to a 12-V battery. What is the voltage across any…
A:
Q: A volleyball is hit when it is 4 ft above the ground and 12 ft from a 6-ft-high net. It leaves the…
A:
Q: Determine the momentum of a car having mass 200 kg moving with a velocity 34 m/s
A: Given, Mass of the car is (m) = 200 kg Velocity of the car (v) = 34 m/s We have to determine the…
Q: Part A At a particular instant, charge qı = 4.50×10-6 C is at the point (0, 0.250 m, 0) and has…
A: Magnetic field due to moving charge particle is given by B→=μ04πqv→×r→r3 Force on q2 due to q1 is F→…
Q: Two rods, one made of brass and the other made of copper, are joined end to end. The length of the…
A:
Q: How much time does it take to lift 500 kg
A: Given; height,h=50 mDevelops power,P=65 kWTime taken to lift the weight to a height of 50 m is ?
Q: How much kinetic energy does a student of mass 60. kilograms running at 3.0 meters per second…
A:
Q: Calculate the value of work done Force applied on crate=20 N Distance moved by crate=2.02 m
A: Given value--- applied force = 20 N . Distance = 2.02 m. We have to find--- Work done?
Q: Given data : Wave speed 120 m/s %3D Frequency 340 Hz Find the wavelength
A: Given data : Frequency = f Wave speed =…
Q: A charge if 20 C was passed through wire in 16 minutes. Calculate the average electric current…
A: Given value--- Charge = 20 C . time = 16 min . We have to find--- current through wire ?
Q: Davisson-Germer diffraction (equation) is an experiment in which electrons, scattered by the surface…
A: The Davisson and Germer experiment demonstrated the wave nature of the electrons, confirming the…
Q: Given data: Mass=2.5 kg Volume=0.0001 m3 Find density
A: Given data The mass of the object is given as m = 2.5 kg. The volume of the object is given as V =…
Q: 1> A block of mass 10 kg is acted by the two external forces as shown. If the coefficient of kinetic…
A: Given: The mass of the object is 10 kg. The coefficient of the friction is 0.25. F1=15 NF2=25 Nθ=20°…
Q: A body does 18 Joules of work in 3 seconds. What is it's power ?
A: Given data : Time Taken = t Work done = W…
Q: The voltage in circuit is 46 V and resistance is 8 ohms, find the current ?
A: The voltage in circuit is 46 V and resistance is 8 ohm.
Q: QUESTION 1: 1.1 A coil that consists of 450 windings is wound around a bakelite ring. The mean…
A:
Q: An astronaut inside a spacecraft moving at 0.89c measure the length of the ship as being 100 m. How…
A:
Q: A generator produces a maximum EMF of 800 V when rotating in a magnetic field of 0.110 T. The coil…
A: This question is based on electromagnetic induction. When flux changes with time it induces emf.
Q: (d) Draw the velocity vectors, and the resultant velocity vector at this time.
A:
Q: Ricky moves a wagon a distance of 36 meters by pulling the handle with a force of 120 Newtons. If…
A: Given: Force (F) = 120 N Distance (d) = 36 m Work done = 2200 J
Q: Complete the ray diagram to locate the image in this situation with a concave mirror of focal length…
A: Given:- 2) The object distance u = -20 cm The focal length of the concave mirror is f = -10 cm…
Q: An electromagnetic wave propagating in vacuum has the following magnetic field vector: B(z, t) =…
A:
Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: 31 collision occur whenever kinetic energy is not conserved, primarily when an object is increased…
A: Solution:-
Q: a. Supposed that this is a motion plot of a car. What is the velocity of the car? b. Supposed that…
A:
Q: For the following motion equation s=2t^3 -15t^2+36t-22, t⩾0 a. When is the particle at rest?
A:
Q: A watch is to be designed to withstand the pressure of freshwater at a depth of 900 m What is the…
A: Gauge pressure is defined as the difference between absolute pressure and atmospheric pressure.
Q: A massless frame in the shape of a coff square 6.5 m on a side has a 17.6-kg ball at each corner.…
A:
Q: Find the gravitational potential energy of a light that a mass of 3 kg and is 5 m above the ground.
A: Given data: Mass (m) = 3 kg Height (h) = 5 m, above the ground Required: The gravitational…
Q: can you answer d please? (d) Draw the velocity vectors, theta and the resultant velocity vector at…
A:
Q: If a wave has a wavelength of 2 m and a frequency of 20 Hz, what is the speed of the wave? A 10 m/s…
A: Given Wavelength of wave λ = 2 m Frequency of wave…
Q: A block of mass 42.6 kg lies on a horizontal plane. A force F that is inclined 33.7° with the…
A: Given, Mass of the block, M = 42.6 kg Angle, theta, of the force applied = 33.7° Distance…
Q: 3. About-O! F1 3.00 m A square metal plate with mass M = 6.00 [kg] and side length 3. 00 [m] is…
A: This question is based on torque by force.
Q: The fifth-order bright fringe of 293.59-nm light is observed at an angle of 37.5° when the light…
A:
Q: SA6) An 80-kg man pulls a 150-kg load up an elevated ramp. If the rope that is used t pull the load…
A:
Q: Calculate the value of work done Force applied on crate=20 N Distance moved by crate3D2.02 m
A: Given data The force applied to the crate is given as F = 20 N. The distance moved by the crate is…
Step by step
Solved in 2 steps with 2 images
- Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
- The circuit in Figure P27.34a consists of three resistors and one battery with no internal resistance. (a) Find the current in the 5.00- resistor. (b) Find the power delivered to the 5.00- resistor. (c) In each of the circuits in Figures P27.34b, P27.34c, and P27.34d, an additional 15.0-V battery has been inserted into the circuit. Which diagram or diagrams represent a circuit that requires the use of Kirchhoffs rules to find the currents? Explain why. (d) In which of these three new circuits is the smallest amount of power delivered to the 10.0- resistor? (You need not calculate the power in each circuit if you explain your answer.) Figure P27.34Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0 resistor, (b) Find the current in the 3.00-12 resistor.When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T T0)] (Eq. 17.7), where is the temperature coefficient of resistivity. (a) Show that a more precise result, which includes the length and area of a wire change when it is heated, is R=R0[1+(TT0)][1+(TT0)][1+2(TT0)] where is the coefficient of linear expansion. (See Topic 10.) (b) Compare the two results for a 2.00-m-long copper wire of radius 0.100 mm, starting at 20.0C and heated to 100.0C.
- (a) Can the circuit shown in Figure P18.29 be reduced to a single resistor connected to the batteries? Explain. (b) Find the magnitude of the current and its direction in each resistor. Figure P18.29Four resistors are connected to a battery as shown in Figure P21.40. The current in the battery is I, the battery emf is , and the resistor values are R1 = R, R2 = 2R, R3 = 4R, and R4 = 3R. (a) Rank the resistors according to the potential difference across them, from largest to smallest. Note any cases of equal potential differences. (b) Determine the potential difference across each resistor in terms of . (c) Rank the resistors according to the current in them, from largest to smallest. Note any cases of equal currents. (d) Determine the current in each resistor in terms of I. (e) If R3 is increased, what happens to the current in each of the resistors? (f) In the limit that R3 , what are the new values of the current in each resistor in terms of I, the original current in the battery? Figure P21.40Lightbulb A is marked 25.0 W 120. V, and lightbulb B is marked 100. W 120. V. These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120.-V source. (a) Find the resistance of each lightbulb. (b) During what time interval does 1.00 C pass into lightbulb A? (c) Is this charge different upon its exit versus its entry into the lightbulb? Explain. (d) In what time interval does 1.00 J pass into lightbulb A? (e) By what mechanisms does this energy enter and exit the lightbulb? Explain. (f) Find the cost of running lightbulb A continuously for 30.0 days, assuming the electric company sells its product at 0.110 per kWh.
- (a) Can the circuit shown in Figure P18.27 be reduced to a single resistor connected to the batteries? Explain. (b) Calculate each of the unknown currents I1, I2, and I3 for the circuit. Figure P18.27(a) What is the resistance of a 1.00 102-O, a 2.50-k O, and a 4.00-kresistor connected in series? (b) In parallel?A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 in series with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and its batteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?