Can yall answer this? (for class) whats the diffrentce between drug addict and acoholic?

What object a collides with object b and bounces back its final momentum is?

In a good thermo flask the main cause of heat loss is

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)