A wooden log is displaced to a distance of 20m in 10 seconds by applying 500N effort. Calculate the work done and power.​

Draw metallic bonding if two copper

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

In pqr m< p=60 m< q= 30 and m