John took 45 minutes to bicycle to his grandmother's house, a total of 4 kilometers. What was his velocity in km/hr?

Which of the following describes a strong base? A. A strong base fully dissociates. B. A strong base does not dissociate. C. A strong base contains OH + ions. D. A strong base partially dissociates.

The metric system and metric conversions are?

If your mass is 60 kg on earth, what would your mass be on the moon?

Which of the following may form when an existing star runs out of fuel? Select all that apply. a. red giant b. black hole c. white dwarf d. neutron star E. main sequence star

Is it possible for a population with a high birth rate to decrease in size.

Which describes a property shared by ultraviolet light and X-rays? A They are both transverse waves. B They share the same wavelength. C They contain less energy than visible light. D They both require a medium to travel through.

What is the potential energy called that is associated with objects that can be stretched

Which of the following is not a current use of radioisotopes? medical diagnosis sterilization of equipment detection of leaks in building structures light fixtures

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a