Two iron rods are placed horizontally, touching end-to-end. one end of one rod is heated. after some time, the other rod also feels warm to touch. how did the heat travel from the heated rod to the one that was not heated?
a) the air over the heated rod traveled to the other rod and made it warm.
b) part of the heat was converted to radiation and traveled to the cooler rod.
c) electrons within the rods started moving, distributing heat consistently in both rods.
d) the molecular movement in the first rod transferred energy to the molecules in the second.
Answers: 2
Physics, 22.06.2019 09:00
Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
Answers: 2
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
Physics, 22.06.2019 23:00
The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
Answers: 1
Physics, 22.06.2019 23:30
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
Two iron rods are placed horizontally, touching end-to-end. one end of one rod is heated. after some...
Mathematics, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
English, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
English, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
Social Studies, 24.08.2020 21:01
History, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01
Mathematics, 24.08.2020 21:01