M A 1.0 kg cart moving right at 5.0 on a frictionless track
S
m
collides with a 3.0 kg cart moving left at 2.0
1.0 kg cart has a final speed of 4.0 to the left.
. The
S
m
s
What is the final speed of the 3.0 kg cart?
Consider rightward as the positive direction.
Round answer to two significant digits.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force

Ahole in the ground in the shape of an inverted cone is 14 meters deep and has radius at the top of 11 meters. the cone is filled to the top with sawdust. the density of the sawdust depends upon the depth, x, following the formula ρ ( x ) = 2.5 + 1.2 e − 0.7 x kg/m3. find the total mass of sawdust in the conical hole.

How is sound is different from music how loundness od sound mention some ways to reduce