How long does it take electrons to get from a car battery to the starting motor? Assume the current is 290 A and the electrons travel through a copper wire with cross-sectional area 0.260 cm2 and length 0.900 m. The number of charge carriers per unit volume is 8.49 × 1028 m-3.
Q: The figure shows a very large nonconducting sheet that has a uniform surface charge density σ = -3.1...
A: Given:
Q: ch work (úin Joules) is done in lifting a 2.5 kg dictionary from the floor onto a shelf 1.9 m high? ...
A: Since we only answer upto 3 sub-parts, we will answer the first 3. Please resubmit the question and ...
Q: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.20 gallons of gasoline. Only 30% of ...
A: (A)The number of gallons of gasoline is 2.20.The percentage of gasoline goes into useful work is 30%...
Q: What is the energy released in this nuclear reaction 199F+42He→2210Ne+11H919F+24He→1022Ne+11H? (The ...
A: The expression for the nuclear reaction is,
Q: a box is moved 10 m across a smooth floor by a force making a downward angel with the floor, so that...
A: Work done is,
Q: A bowling ball (mass=7.2 kg, radius=0.11 m) and a billiard ball (mass=0.38 kg, radius=0.028 m) may e...
A: Let m1 and m2 be the mass of bowling ball and billiards ball respectively.Let r1 and r2 be the radiu...
Q: The figure shows two concentric rings, of radii R and R' = 2.54R, that lie on the same plane. Point ...
A: write the expression of electric field on the axis of the small ring.
Q: I. When first discovered, α, β and γ radioactivity were referred to as α-rays, βrays and γ-rays. Now...
A: Since we are entitled to answer one question per request. We would be answering the first question. ...
Q: What is the wavelength of a radio wave of frequency 101.1 MHz(one of the frequencies in the FM band)
A: The wavelength of a wave of particular frequency can be calculated using following equation.
Q: At what rate must the potential difference between the plates of a parallel-plate capacitor with a 2...
A: GivenCapacitance C = 2.8 x 10-6 FCurrent I = 1.5 A
Q: Two large, parallel, conducting plates are 15 cm apart and have charges of equal magnitude and oppos...
A: Given:Distance between two large parallel conducting plates, d= 15 cm =0.15 mEqual and opposite char...
Q: Chapter 23, Problem 038 In part (a) of the figure an electron is shot directly away from a uniformly...
A: The slope of the graph will be the acceleration.The expression for the acceleration is,
Q: The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of the...
A: The expression for ratio of these two forces is,
Q: In the figure, the magnetic flux through the loop increases according to the relation ΦB = 4.9t2 + 7...
A: Given,
Q: A 44.1-kg crate rests on a horizontal floor, and a 66.9-kg person is standing on the crate. Determin...
A: (a)Normal force exerted by the floor on the crate is,
Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...
A: (a) The average speed of an object is the total distance traveled by the object divided by the elaps...
Q: a "swing" ride at a carnival consists of charis that are swung in a circle by 15.0-m cables attached...
A: (a)Consider the figure given below.
Q: a football is kicked at ground level with a speed of 18.0m/s at an angle of 35 degrees to the horizo...
A: The path on which football moves is a trajectory of projectile motion.The time taken by the ball to ...
Q: A vertical tube one meter long is open at the top. It is filled with 75 cm of water. If the velocity...
A: The vertical tube is filled with three fourth of water. The relation between the wavelength and freq...
Q: A 1400-kg car is traveling with a speed of 14.9 m/s. What is the magnitude of the horizontal net for...
A: Acceleration of the car is,
Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...
A: Given,
Q: The acceleration due to gravity near the surface of the mars is about one-third of the value near th...
A: To determine: The speed of the rock when it hits the ground on Mars.Given Information: The gravitati...
Q: 40. Water flowing through a garden hose of diameter 2.74 cm fills a 25-L bucket in 1.50 min. (a) Wha...
A: Given,
Q: a top with radius 10cm, mass 2 kg has a string around the edge and is initially at rest. assume the ...
A: Consider the figure and observe that, force by the string acts tangentially. Therefore, the angle be...
Q: I'm attempting to calculate acceleration for the following: A plane lands on a runway with a speed o...
A: Initial velocity of the plane is 120 m/s towards east and finally, the plane stops, that is, the fin...
Q: More than one analyzer can be used in a setup like that in the following figure, each analyzer follo...
A: Using Malus’s law of polarization we can find the intensity of light after passing through the first...
Q: the position of a mass hanging from a spring as it oscillates has the form x(t)=0.2cos(6.7t). (All q...
A: The position of a mass hanging from a spring is given below.
Q: An air conditioner connected to a 120 V rms ac line is equivalent to a 17.6 Ω resistance and a 1.31 ...
A: GivenVoltage applied Vrms = 120 VResistance R = 17.6 ohmInductive resistance XL= 1.31 ohm
Q: In the figure, light is incident at angle θ1 = 38.0˚ on a boundary between two transparent materials...
A: a)Consider the refraction at interface between medium of refractive index n1 and air.Snell’s law is,
Q: 40. Two balls with masses M and m are connected by rigid rod of length L and negligible mass as show...
A: a)Moment of Inertia for mass M is,
Q: In the figure R1 = 5.11 Ω, R2 = 15.3 Ω, and the ideal battery has emf ε = 12.4 V. (a) What is the ma...
A: The circuit diagram is given by:
Q: In this lab you will use a spectrometer to measure the wavelengths ofseveral visible lines emitted f...
A: Energy level diagram showing the first four lines of Balmer series is,
Q: A particle of mass 8.29 g and charge 67.0 μC moves through a uniform magnetic field, in a region whe...
A: Given:
Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vert...
A: The expression from conservation of angular momentum,
Q: Please show me how to work this. Don't round any figures please.
A: (a) The scalar product also known as dot product, is computed as follows.
Q: A bowling ball (mass = 7.2 kg, radius = 0.15 m) and a billiard ball (mass = 0.32 kg, radius = 0.028 ...
A: Gravitational force is a force that attracts any two objects with mass. In order to obtain maximum g...
Q: a child runs at 4.0 m/s and jumps onto a sled, initially at rest. If the child's mass is 36 kg, and ...
A: The conservation of linear momentum can be applied to the system. The total momentum of the system b...
Q: 48. A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m and is started from rest by a...
A: Equations for the moment of inertia of disc about an axis passing through the centre and perpendicul...
Q: Can you show how to work this please?
A: The ideal gas equation is,
Q: Chapter 27, Problem 007 from A wire of resistance 5.1 Ω is connected to a battery whose emf ε is 4.0...
A: Given: R = 5.1 ohmr = 0.69 ohmemf = 4 Vt = 2.1 min = 2.1 × 60 = 126 secondsFind: (a) The energy tran...
Q: The figure shows three circular arcs centered at the origin of a coordinate system. On each arc, the...
A: Given:
Q: A speed skater moving across frictionless ice at 8.3 m/s hits a 5.9 m -wide patch of rough ice. She ...
A: Given information: The initial speed of the skater is 8.3 m/s, the length of the rough ice is 5.9 m ...
Q: A spring is hung from the ceiling. A 0.426 -kg block is then attached to the free end of the spring....
A: Diagram of block and spring is given by.
Q: If a pneumatic cylinder has a volume of 14 cubic inches at 1000 PSIG when the temperature is 85°F an...
A: Pneumatic cylinders are mechanical devices which use the power of compressed gas to produce a force ...
Q: Please show me how to work this. Don't round any figures please.
A: Click to see the answer
Q: A rod is lying on the top of a table. One end of the rod is hinged to the table so that the rod can ...
A: The equation for the magnitude of the torque is given by
Q: a test rocket is falling downward at a constant speed (however, it is acceleration in the horizontal...
A: The figure gives the free body diagram of all forces acting on the rocket.
Q: 127 CHAPTER 3 tom of the tank when the elevator is (a) stationary, (b) mov- ing up with an upward ac...
A: (i) Consider the figure when water tank is in stationary elevator.Here, h is the height of this liqu...
Q: The moment of inertia of a uniform rod (about its center) is given by I = ML2/12. What is the kineti...
A: The expression for the kinetic energy,
Q: A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground a...
A: The speed of the ball just before it strikes a ground can be calculated in given steps.Given: