A constant force of 12 n acts on a body for 4second.find thechange in the linear momentum of the body constant force of 12 n acts on a body
for 4second.find the change in the linear momentum of the body
an electric geyser per hour of its use .it is designed to work on the mains voltage 220v.
1.does the resistance of this device remain constant during its operation/working?
2.which of the two 100W,220V night lamps has higher resistance