A 1.6 m long aluminum rod is heated from 273 K to 323 K. By how much

did the rod expand?

Which of the following statements about how sound waves travel is correct? A Sound waves travel faster through solids than through liquids. B Sound waves travel faster through gases than through solids.

A fisherman is using a very light fishing line that breaks when the tension exceeds 20N. He lifts a fish vertically out of the water with an upwards acceleration of 2 m/s^2. What is the largest mass of the fish for which the line will hold?

What is the law that states that matter can not be created nor destroyed? A) The Law of Conservation of Matter B) The Law of the Land C) The Law of Universal Gravitation D) The Law of Thermodynamics

What value is needed to create a motion diagram? a. position c. time interval b. velocity d. both a and c

Boyle's law says that the volume of a gas varies inversely with the pressure. when the volume of a certain gas is 5l, the pressure is 512 kpa (kilopascals). what is the pressure when the volume is 4l

A crude approximation for the x component of velocity in an incompressible laminar boundary layer is a linear variation from u = 0 at the surface (y = 0) to the freestream velocity, U, at the boundary-layer edge (y = δ).

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?