M A 1.0 kg cart moving right at 5.0 on a frictionless track collides with a 3.0 kg cart moving right at
S
m
m
2.0 The lighter cart has a final speed of 4.0 to the right.
S
What is the final speed of the 3.0 kg cart?

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land