An object has a kinetic energy of 77j and a mass of 52 kg, how fast is the object moving?

Hubble law how did astronomers gather the information needed to establish the law?

How do you determine the name of an isotope?

At which angles relative to the centerline perpendicular to the doorway will someone outside the room hear no sound?

A student claims that since the three phases have different amounts of energy, molecules in substances gain or lose energy only during phase transitions. Explain what is wrong with this student's reasoning.

How are the size and shape of oceans continuously changing

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