3. Applying Concepts Explain why a canoe that has hollow, water-

tight compartments on its ends won't sink, even if it is capsized.

What are the first three steps of scientific inquiry

Which is a dopant for a semiconductor that conducts electricity due to the movement of positive charges? A. Thallium B. Arsenic C. Phosphorus D. Antimony

An 800-N billboard worker stands on a 4.0-m scaffold supported by vertical ropes at each end. If the scaffold weighs 500 N and the worker stands 1.0 m from one end, what is the tension in the rope nearest the worker?

Dominoes standing in a row will fall if the first one is tipped towards the others. How does the law of convection of energy describe this?

When an object is totally immersed in water, it's weight is recorded as 3.1N if it's weight in air is 4.9N calculate the upthrust acting on this object

Why did dad leave mom?

Sal drew the electron dot diagram of an aluminum atom as shown. How should Sal correct his diagram? He should add five more dots so that the atom obeys the octet rule. He should add ten more dots so that all thirteen electrons are shown.

What uses electricity

How do the elements in the Noble Gas family compare?

The magnetic field strength within a long solenoid isb=4.0t t, where t is time in seconds. if the radius of thesolenoid is1.0 cm, what is the magnitude of the non-coulomb force that acts on a6.0 c charge a distance6.