True or false? If the speed of an object doubles, its kinetic energy will also double.

A piece of aluminum foil has a known surface density of 11 mg/cm2. If a 380 milligram hollow cube were constructed using this foil, determine the approximate side length of this cube.

What is the average mass of an electron? A. 1 amu B. 1,837 amu C. 1/1,837 amu

If 500 J of energy were added to 1 kg of each of these samples, which would experience the LEAST temperature increase? aluminum, Brass, Copper, Platinum

Radiation with a wavelength of 238 nm shines on a metal surface and ejects electrons that have a maximum speedof 3.75 X 105 m/s. Which one of the followingmetal is it, the calues in paretheses being the work functions: a) potassium (2.

Which statement best describes plastic's ability to conduct electricity? They are good insulators because their atoms have a single loosely bound electron in the outer shell that can move freely between other atoms.

A capacitor is storing energy of 3 Joules with a voltage of 50 volts across its terminals. A second identical capacitor of the same value is storing energy of 1 Joule. What is the voltage across the terminals of the second capacitor?

The monochromatic light diffracts on the two slits which are 0.1 mm apart (their size is negligible) and produces an interference pattern on the wall which is 3 m far from the apparatus.

Which of the following statement is true regarding the study of human development?

Which type of power plant uses energy directly from the sun to generate electricity? A. Wind B. Hydroelectric C. Radiant D. Coal

What is a scientific law? an explanation that clarifies scientific observations a hypothesis that proposes an answer to a question a statement that summarizes a pattern found in nature an observation that explains a hypothesis