For each of the following tensors determine its type (covariant, contravariant), its range and say if it is defined or not (that is, if it is a valid expression in tensor algebra)

Q: If a current carrying wire is pointed into the sky (+z), what direction is the force on it if the…

A: To determine the direction magnetic force.

Q: How long does it take to send a round-trip radio signal to Mars and back when it is at its closest…

A: Given:  Earth and Mars system.

Q: The bends during flight. Anyone who scuba dives is advised not to fly within the next 24 h because…

A: The soldier dives at a depth 21 m. The parachute is at altitude 7.5 km. The average air density of…

Q: The container shown is filled with mercury. It is open to atmosphere on the left and closed on the…

A:

Q: A 690-kg automobile is moving at 24.1 m/s at a height of 3.8 m above the bottom of a hill when it…

A:

Q: 1. An oil bead with a diameter of 1.0 cm was dispersed into the water to make the oil bead with a…

A:

Q: This is a drawbridge, held in place by a cable. The hinge is frictionless. This problem and the next…

A: Given The drawbridge's weight = W = Mg = 6000 lb length of drawbridge's = l = 52 ft the height of…

Q: F kN B 30° 1 im A El m The structure beside has a weight of F/l kN/m . Calculate the support…

A: When a system is in equilibrium then there will be two simultaneous conditions to be satisfied.…

Q: Analyze the position over time graph below. Which segments(s) show a non-zero constant velocity.…

A: in this question  we analyze the graph .

Q: A laboratory experiment uses light with a wavelength of 556 nm and a double-slit with spacing 5 μm…

A: The wavelength of the light: Distance between the slits:

Q: Quantum numbers (n,1, m¡) describe the state of an electron in an atomic orbital. The values they…

A:

Q: Two thin rods of length 28.5 cm are placed side-by-side as shown below, separated by a distance x =…

A:

Q: Long, long ago, on a planet far, far away, a physics experiment was carried out. First, a 0.220-kg…

A: Concept: Since we know The amount of work (W) that an external agent performs to move a unit charge…

Q: Based on the image below (which takes 0.5 seconds to produce). If the wave is traveling towards the…

A:

Q: A mountain-bike has a mass of 12 kg approximately. Each wheel can be considered as a ring, each is…

A:

Q: A7.2×102T magnetic field passos through a circular ring of radius 5.0 CIa at an angle of 24 ° with…

A:

Q: A baseball fan sitting in the "cheap seats" is d = 149 m from home plate (see the figure below). How…

A:

Q: A negative charge is shot through a small hole as shown with an initial kinetic energy. As it…

A: As given positive and negative charges  the direction of electric field will be from positive to…

Q: (a) Calculate in MeV the energy released in the fission reaction 235 U + In 140Xe + ⁹4Sr + 2n The…

A:

Q: A 150 microfarad capacitor is used in a circuit. How much energy, in Joules is stored when 124 V is…

A: Given: Here, the given details are, A 150 μF capacitor is used in a circuit. And when 124V is…

Q: A placekicker kicks a football at an angle of 23.0 degrees with respect to horizontal and the…

A: Required  Time of flight of the football

Q: A particle of mass 25 kg, originally at rest, is subjected to a force of 50 N for 10 seconds. Find…

A: For Distance calculation we need to apply second equation of motion.The time is given, initial…

Q: 2. A system contains two objects. Object 1 has a mass of 220 g and is moving with a velocity (15…

A: Given information:

Q: An electron in a piece of aluminum requires at least 6.73e-19 J of energy to be ejected from the…

A: step-1*Electron in an aluminium requires E=6.73×10-19 J tp eject the electron*If EM radiation of…

Q: Swims across Lake Erie are officially sanctioned by the Lake Erie Open Water Swimming Association…

A:

Q: The two planets closest to Earth are Venus and Mars. Their distances to the Sun are on average:

A: