An iron rod and a zinc rod have lengths of 25.55 cm and 25.50 cm, respectively, at 0°C. At what temperature will the rods have the same lengths? The coefficient of expansion of iron and zinc are 0.000010 and 0.000030 per °C, respectively.

Q: Considering the circuit shown below, determine the potential difference Vne in volts. 3Ω b + 7 V 2…

A:

Q: A 0.017 kilogram pebble is stuck in a car tire's tread. The radius of the tire is 0.38 m, and it…

A:

Q: 1. ( from a volume of 0.50 m2 to a volume of 0.25 m2. )An ideal gas undergoes isobaric compression…

A: This question is from thermodynamics.

Q: | You're in a room (with no windo up by "white" light coming from a light bulb. a. What colors of…

A: Reflection Reflection is the change in direction of a wave front at an interface between two…

Q: A cylindrical tank is half-full of gasoline having weight density of 42 Ibs/ft3. If the axis is…

A:

Q: Using Kirchhoff's Laws, what can you deduce about the properties of a gas if it is giving off a…

A:

Q: The terminal voltage of a battery is 13.5 v when 5 A current enters its positive terminal, but when…

A:

Q: Considering the circuit shown below, determine the potential difference Vne in volts. 3Ω b + 7 V 2…

A:

Q: small sphere spaced 20.0 cm apart have equal charge. How many excess electrons must be present on…

A:

Q: The current of a coil of inductance L = 0.1 H varies with time according to I = 4 t2 - 6 t, where I…

A:

Q: A long, straight, conducting wire carries a current of 1.50 A. A second, identical wire is parallel…

A:

Q: Differentiate the Magnetic field produced by a current on a circular loop than in a straight wire

A:

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

A: We need to calculate the width of the river given the information collected by the surveyor.

Q: making an angle 30 vertical acceleratio

A:

Q: A positively charged particle slides off a frictionless and smooth surface with initial X X X X x x…

A: When we have magnetic field in space that magnetic field apply a force on positive charge in upward…

Q: A Hydraulic press has a ram of 30 cm diameter and a plunger of of 2 cm diameter. It is used for…

A:

Q: Which of the following is a formula for the power dissipated by a resistor? Let V be the voltage…

A:

Q: photon has a frequency of 7.50 x 10141014 Hz, a. Determine the energy and the momentum of this…

A:

Q: What is volt equal to? coulombs per second; O joules per coulomb; O amperes per ohm; O joules per…

A:

Q: he speed of sound in air at room temperature is 340 m/s. (a) What is the frequency of a sound wave…

A: Given: The speed of the sound in the air is 340 m/s. The wavelength of the wave is 1.6 m.

Q: The block of mass m 1.60 kg slides along the horizontal rough plane as shown in the figure. The…

A: We solve this problem using conservation of energy

Q: An electromagnetic plane wave is propagating in the +x direction. At a certain point P and at a…

A: The ratio of the magnitude of electric field to the magnitude of magnetic field in any…

Q: gravitational exist in all pairs in the universe, then let us compare for it's value between two…

A: We use the formula of force of gravitation between two objects

Q: If a Helium nucleus moves in the direction of an electric field generated by a stationary positive…

A: Answer- (a) the course of action is non spontaneous; work is required because the helium atom in…

Q: Calculate the torque (Nm) about the center of a 14.4 kg hoop that is rotated at a constant angular…

A:

Q: Photons of wavelength 510 nm are incident on metal. The most energetic electrons ejected from the…

A:

Q: A 1.5 kg ball is thrown vertically with an upward velocity of 50 ft/s from ground surface. 6) What…

A: Given: The mass of the object is 1.5 kg. The initial velocity of the object is 50 ft/s in the…

Q: Explain how solenoid is related to electromagnet

A:

Q: wavelength of 490 nm reaches a photoelectric surface where the maximum energy photoelectrons is 2.12…

A: GivenWavelength of light, λ=490 nm=490×10-9 mMaximum kinetic energy of photoelectrons, EK max= 2.12…

Q: A small car with mass 1250 [kg] travels at constant speed on the inside of a track that is a…

A: Given: The mass of the car is 1250 kg. The radius of the path is 7 m. The normal force at the top of…

Q: The best description of electric potential energy is the amount of energy … a) required to…

A:

Q: Determine force acting on the particle

A: Given; K.E energy K of a particle moving along a circle of radius R depends on the distance covered…

Q: What is the effect caused by the ammeter’s resistance when an ammeter is inserted into a circuit to…

A: What is the effect caused by the ammeter’s resistance when an ammeter is insertedinto a circuit to…

Q: You are observing the pattern of fringes in a Michelson interferometer. If you change the index of…

A: Yes. Changing the index of refraction changes the wavelength of the light inside the compensator…

Q: An electron is placed in an xy plane where the electric potential depends on x and y as shown in the…

A: Given:-  An electron is placed in an XY plane where the electric potential depends on x and y as…

Q: 19). To get a de Broglie wave that is visible to human eyes (size-wise, not visibility-wise, so A >…

A:

Q: Suppose that the mirror is moved so that the trees between the focus point f and the mirror what…

A: For concave mirrors, when the object is located anywhere inside the F, the image is virtual,…

Q: A 500 kg elevator cab is descending with speed vo = 4 m/s when the winch system that lowers it…

A:

Q: Question 7 (B) onochromatic light of wavelength A is incident on two slits separated by 5.00 um, an…

A:

Q: What is the magnitude of the electric field at a distance of 1.5 m from a point charge with Q = 3.5…

A: Here point charge , Q = 3.5 C  Distance of point from charge(r) = 1.5 m

Q: 1) Are the wave patterns for various values of Δω and Δk same? If not, why? 2) Comment on the Phase…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: Monochromatic light is directed on a single slot 2.5 x 10-3 mm wide. If The angle between the first…

A:

Q: 3. A uniform 40.0 kg ladder of length 5.0 m is leaning against a frictionless wall, as shown below.…

A:

Q: 1. Three small circular holes are cut on the side of a very large tank at depths 10.0m, 12.0 m, and…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A sample of oxygen gas has a volume of 12000 cm3 at 600.mm Hg. What is the new pressure when the…

A:

Q: Calculate the distance from which a person with good vision can see the whites of another person’s…

A:

Q: the speed of sound is 340 on the question. for the answer they use 343. why?

A:

Q: Tell how a technology has affected human life.

A: Social media and mobile gadgets can cause psychological and physical problems like eyestrain and…

Q: Some people believe the graph of acceleration versus force should pass through the origin,…

A:

Q: total work done on the

A: Given; A 500 kg elevator cab is descending with speed v0=4 m/sConstant acceleration,a= g/5During its…