Answer:
I only speak English
Explanation:
I'm sorry can you type it in English
Set up the problem with the conversion rates as fractions where when you multiply the units cancel out leaving the desired units behind.
If net external force acting on the system is zero, momentum is conserved. That means, initial and final momentum are same → total momentum of the system is zero.
Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat
