R1= 8 ohms, R2= 30 ohms, R3= 6 ohms, R4= 9 ohms, V= 54V  A. What is the equivalent resistance? B. What is the current in R2? C. What is the potential difference across R3?

Q: In 1998 a galaxy named RD1 was discovered with a redshift of 5.34. (a) What is the speed of this gal...

A: (a) It is given that z=5.34 , 1+β1-β=1+z Squaring both sides, 1+β1-β=6.342 = 40.21+β=40.2-40.2β41.2β...

Q: A light rope is attached to a block with mass 4.00 kg that restson a frictionless, horizontal surfac...

A: Using Newton's second law to the mass resting on the horizontal surface, Fnet=maT=maa=Tm

Q: The Hawaiian chain of islands extends beyond what we typically think of as Hawaii. The extinct volca...

A: Given: The basalts on Midway can be radio metrically dated, and are 27 million years old. Midway is ...

Q: Draw a picture and show the solution to the problem below!

A: Consider the following diagram.

Q: A fence post is 52.0 m from where you are standing, in a direction 37.0 north of east. A second fen...

A: Let  The position vector of the first fence post be A→. It makes an angle 370 with the horizontal. T...

Q: Give some practical examples of Scalar product and Vector product.

A: Scalar product is defined as dot product Geometrically, the scalar product is useful for finding the...

Q: In astronaut simulation training, a 5.00 m long horizontal arm spins around like a centrifuge. What ...

A: Given, 5.00 m long horizontal arm  and centripetal acceleration is 5g 

Q: Please show work and answer all parts

A: If a particle is moving in a circular path then centripetal force acts on a particle. The magnitude ...

Q: A simple pendulum of length I and mass m is pivoted to a mass M that slides without friction in a ho...

A:  Given a simple pendulum of length l and mass m is pivoted to a mass M that slides  in a horizontal ...

Q: Question 5

A:

Q: At t = 3.00 s a point on the rim of a 0.200-m-radius wheelhas a tangential speed of 50.0 m/s as the ...

A: (a) The angular acceleration of the rim is α=aTr aT is the tangential acceleration. Use the given va...

Q: Calculate the temperature for which the ratio of free protons to free neutrons in the early stages o...

A: Given information: The ratio of free protons to free neutrons is 7.0 It is mentioned that the distri...

Q: F15–1. The 0.5-kg ball strikes the rough ground and rebounds with the velocities shown. Determine th...

A: Given The 0.5-kg ball strikes the rough ground and rebounds with the velocities shown. Determine the...

Q: Four point charges are located at the corners of a square withsides of length a. Two of the charges ...

A: a) Let's sketch the diagram: given four charges are placed at the four corners of a square of sides ...

Q: Three ice skaters, numbered 1, 2 and 3, stand in a line, each with her hands on the shoulders of the...

A: Given: Three ice skaters, numbered 1, 2 and 3, stand in a line, each with her hands on the shoulders...

Q: Now compare the 6 Q resistor and the 4 O resistor. Which of these has the largest current through it...

A:

Q: Determine the de Broglie wavelength for a 54-eV electron used by Davisson and Germer.

A: λ=h2mE

Q: The earth is approximately spherical, with a diameter of 1.27 * 107 m. It takes 24.0 hours for the e...

A: The diameter of Earth is 1.27x107m, and time taken by Earth to complete one revolution is 24 hr. The...

Q: Double pendulum can be described as a simple pendulum whose bod is support for another simple pendul...

A: Let m1 and m2 denote the mass of the bobs in the pendulum, l­1 and l2 denote the length of the arms ...

Q: The bond length in F2 is 1.417 Å, instead of twice theatomic radius of F, which is 1.28 Å. What can ...

A: As per the given problem the bond length of F2 is 1.417Ao and the atomic radius of Fis 1.28Ao. If th...

Q: Write the following number in scientific notation (with at least 3 significant digits): 20457.06405 ...

A: The given number should only have three significant figure. So the first three digits are only taken...

Q: Light traveling in air is incident on the surface of a block of plastic at an angle of 62.7° to the ...

A: nairsinθi=nplasticsinθr1.00sin62.7°=nplasticsin48.1°nplastic=1.19

Q: Experimentally, the speed of a fired bullet was measured by a rifle as follows. Firing the bullet at...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: An infinite conductive plate has charge density o, when it is brought in from infinity and placed be...

A: As per guidelines, first three sub-parts have been answered. Kindly post the remaining separately. (...

Q: The French physicist Armand Fizeau was the first to measure the speed of light accurately. He also f...

A: Given data: The refractive index of water is n=1.333. The dragging constant k=0.44. The speed of t...

Q: An elevator weighing 4.56 N is supported by a steel cable. What is the tension in the cable when the...

A: The mass of the elevator is W = mgm=Wg=4.56 N9.8 m/s2=0.465 kg According to newton’s law, F=0.465 kg...

Q: Let θ be the angle that the vector A vec. makes with the +xaxis,measured counterclockwise from that ...

A: The vector diagram shows the direction of vector component. From the vector diagram, The magnitude o...

Q: Figure shows a rectangular glass block that has a metal reflector on one face and water on an adjoin...

A:

Q: 1. (a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of 7.50 m/s . (1.50...

A: (a) momentum of the elephant pE=mEvE=2000 kg7.50 m/s=1.50×104 kg·m/s

Q: In the following figure, the mass m1 and m2 are stationary at 0 position in the spring, which is a s...

A: Given: The masses m1 and m2 are initially at rest. The masses m1 and m2 are 1 kg. The spring constan...

Q: A-24.5 nC charge is located at the origin of your coordinate system. What is the Electric field at p...

A: Given charge say q=-25nC And x=3.8cm y=1.1cm Please note we need to convert all the given values in ...

Q: A wire carrying a current I is in a cylindrical iron conduit. The conduit has inner and outer radii ...

A: Given: The current in the wire is I. The inner and outer radii of the conduit is a and b respective...

Q: A 2.0 eV electron encounters a barrier 5.0 eV high. What is the probability that it will tunnel thro...

A:

Q: Exercise 12.1 The solar constant, i. e. the flux density of the solar radiation at the distance of t...

A: The flux density of the solar radiation at the distance of the Earth is given. The luminosity be cal...

Q: An electric lamp of mass 0.8 kg is attached by an electric cable to the ceiling at point A. The lamp...

A: Given     mass of the lamp, m = 0.8 kg    acceleration due to gravity, g = 9.8 m/s2 Free body diagra...

Q: A 2540 kg test rocket is launched vertically from thelaunch pad. Its fuel (of negligible mass) provi...

A: Given: mass=2540 kg v=At + Bt^2 a=1.50 m/s^2 t=1.00 s v=2 m/s To find: initial thrust due to fuel=? ...

Q: Calculate the force required to pull a copper ball of radius 1.44 cm upward through a viscous fluid ...

A: The force diagram of the copper ball inside the fluid can be seen as,

Q: If a dipole p is located at distance D of an infinite grounded conductor plane and makes angle a wit...

A:

Q: On a very muddy football field, a 110 kg linebacker tacklesan 85 kg halfback. Immediately before the...

A: Since there is no external net force on the system, the total momentum before collision equals the t...

Q: Advanced Physics Question

A:

Q: Two events occur at different x-coordinates but at the same time as measured by Kamala. Doreen, who ...

A:

Q: A 25.0 kg box of textbooks rests on a loading ramp thatmakes an angle a with the horizontal. The coe...

A: Given: Mass of the box = 25 kg Coefficient of kinetic friction  = 0.25 Co efficient of static fricti...

Q: Derive Kepler’s third law of planetary motion from Eqs 12.37 and 12.43.Reference to Equation 12.37:R...

A: Given: The Kepler’s third law of planetary motion is derived as below,