A student argues that the scientific theory of the atom is not useful because it has undergone so many changes over time. Which best argues against the student's reasoning?

What is the name of the change in state by which some more energetic molecules in a liquid leave the surface, leaving the rest of the liquid slightly cooler.

A man of mass 80kg stands next to a stationary ball of mass 4kg on a frictionless surface. He kicks the ball forward along the surface with a speed 15m/s. Calculate the man's recoil speed

In the first paragraph, the words "disrobed," "unveiling" and "deconstructed" primarily serve to Choose 1 answer:a. highlight the negative connotations that laser technology currently has. b. emphasize the extensive reach of laser technology. c.

A plane flies at 200 mph for the first and last half hour of a flight. it flies at 400 mph the rest of the time. the route is 1000 miles long. the town of erehwon is on the route 300 miles before the end.

Identify the following physical quantities as scalars or vectors. -position -velocity -displacement -speed -acceleration -average velocity -distance

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because

A truck travels down the highway at a speed of 110 km/hr. How long does the trip last if the truck covered 2200km?