The star aldebaran is a red giant, and is much more luminous than the sun. what conclusions can be drawn from this fact?

A particle with a charge of 3.00 elementary charges moves through a potential difference of 4.50 volts. What is the change in electrical potential energy of the particle? (1) 1.07 * 10 19eV (2) 2.16 * 10 18eV (3) 1.50 eV (4) 13.5 eV

What are some possible sources of error when using the modified mercalli scale to locate the epicenter of an earthquake?

Push is a force but is pull a force?

What would tweezers be used for in a first-aid kit? A. To pull back skin from a wound B. To remove a splinter from the hand C. To set a stress fracture D. To remove objects from the eye

What is the relationship between the mass of an object and the amount of force required to drag it across the table?

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead