Which metal ion has the "coolest" flame color?

What color is it?

A watershed exists in a mountainous area. In which type of water body will the water flow the fastest? aquifer, tributary, lake, or a river

When Jesus healed the paralyzed man what did he demonstrate he had power over

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.

What statement is NOT true about fossils? a. Fossils give us clues about past climate b. Fossils give us clues about the ground they are formed in c. Fossils give us clues about surface changes d.

Scissors are considered a compound machine because they are made of two inclined planes they are made of a lever and a wedge they make work easier

How would the moon appear from earth if the moon did not rotate?

Block B has mass 4.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass 2.00 kg and sits at rest on top of block B. The coefficient of static friction between the two blocks is 0.400.

T=2π√ (l/g) is dimensionally correct

A penny falls from a windowsill which is 25.0 m above the sidewalk. How much time does a passerby on the sidewalk below have to move out of the way before the penny hits the ground?

Show that the Newton has the units of mass times acceleration.