The most important, and least solvable, problem of coal power is ...

[mia]

The most important, and least solvable, problem of coal power is generally agreed to be
 
  A) its contribution to global warming.
  B) accidents.
  C) lack of sufficient coal resources.
  D) its contribution to acid rain.
  E) waste disposal.

Question 2

A 60-kg swimmer suddenly dives horizontally from a 150-kg raft with a speed of 1.5 m/s. The raft is initially at rest. What is the speed of the raft immediately after the diver jumps if the water has negligible effect on the raft?
 
  What will be an ideal response?

[ong527]

Answer to Question 1

A

Answer to Question 2

0.60 m/s

[mia]

Gracias!

[bulacsom]

TYSM