Hello!
Work=Force*Displacment
Work=.05N * .07m = .0035J
Any questions please feel free to ask. Thank you.
Answer:
The correct option is:
A) by direct or indirect contact between objects at different temperatures
Explanation:
Heat can be transferred in three different methods:
Conduction, Convection and Radiation
Conduction is heat transfer through direct contact between substances at different temperatures.
Convection is the heat transfer which takes place through air currents.
Radiation is the heat transfer that does not require contact between two objects.
Hence, heat transfer can take place through direct or indirect contact between objects at different temperatures.
Answer:
D. The rock cycle is a series of processes in which one kind of rock is transformed into other kinds.
Explanation:
