Two 1 kg balls move away from each other, one traveling 10 m/s to the right, the other 4 m/s to the left. What is the magnitude of the total momentum of the system

State the right hand rule of the direction of magnetic field in a conductor carrying current

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.