Acollision in one dimension
a mass m1 = 2 kg moving at v1i = 3 ms−1 collides with another mass m2 = 4 kg moving at
v2i = −2 ms−1. after the collision the mass m1 moves at v1f = −3.66 ms−1. (a) calculate the final velocity of the mass m2.
(b) after the collision the mass m1 slides across a surface with coefficient of friction μ = 0.6. calculate how far it travels before it comes to rest.

Which would not reduce the amount of green house gasses in the air

An isolated conducting spherical shell carries a positive charge. part a which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? electric potential inside the shell is constant and outside the shell is changing as 1/r2 both the electric potential and the electric field does change with r inside and outside the spherical shell electric potential inside and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is equal to zero electric field inside and outside the shell is constant (does not change with the position r), but is not equal to zero electric field inside and outside the shell is changing as 1/r (where r is the distance from the center of the sphere) electric field inside is equal to zero and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is changing as 1/r electric field inside and outside the shell is changing as 1/r2 electric field inside is equal to zero and outside the shell is changing as 1/r2 electric field inside and outside the shell is zero electric field inside is constant and outside the shell is changing as 1/r

Which sections of the heating curve illustrate this process?