Aforce pointing in the x-direction is given by f=f0(x/x0), where f0 and x0 are constants and x is position. find an expression for the work done by this force as it acts on an object moving from x = 0 to x=x0.

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47